The Whirlwind ventilation system features 10 vents along the frame’s brow areas and 10 more on the underside to circulate air through the inner frame between the face and lens, preventing fog from forming so vision stays clear. Anti-fog coatings are also available. The compact, lightweight frame is made of a soft, flexible material for all-day comfort. Gateway Safety. www.gatewaysafety.com

 
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