RevMed
Home/Brands/Ergodyne

Ergodyne

233 Results
Results Per Page
  • 50
  • 100
  • 250
Catalog #
Qty
Starting At
Name
Company Name
Description
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Anti-Scratch & Enhanced Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-scratch and anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Anti-Scratch & Enhanced Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-scratch and anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Anti-Scratch & Enhanced Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-scratch and anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz THOR Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments. A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Scratch & Enhanced Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-scratch and anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Scratch & Enhanced Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-scratch and anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Scratch & Enhanced Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-scratch and anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Polarized Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist s
0
-
Skullerz
Ergodyne
Skullerz ODIN Anti-Fog Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature tough anti-fog polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.
0
-
Skullerz
Ergodyne
Skullerz ODIN Safety Glasses feature a durable full-frame design that bends and flexes without breaking. These safety glasses feature polycarbonate lenses to protect against impacts and filter 99.9 percent of harmful UVA, UVB and UVC rays. Available in a variety of lenses to suit a range of tasks and light environments.A non-slip rubber nose piece and rubber temples keep the glasses secure and resist sweat. The integrated accessory receptors at each temple also improve airflow when not in use. For added safety, an elastic retainer strap or foam gasket insert (both sold separately) can be attached to the temples.