The EKS X-Brand Signature Series Goggles have 17mm thick, 4-layer sweat absorbing face foam. This face foam is a part of all new, revolutionary, urethane-blend face foam frame material. The EKS have a hard coated, anti-fog polycarbonate lens with integrated tear-off posts. FEATURES: 17mm thick, 4-layer sweat absorbing face-foam  Revolutionary urethane-blend face-forming frame material  Anti scratch, anti fog polycarbonate lens with integrated tearoff posts  100-PPI reticulated vent foam allows for maximum air flow  Adjustable, double buckle woven strap with silicone strips  Anti-static, smudge resistant goggle bag.