The Sinner Emerald has a wide, spherical lens with an extra-wide field of vision. The category 3 lens features a special anti-fog coating with 100% UV protection. The soft hypo-allergenic foam fits well on any face and wears comfortably all day long. The Sinner Emerald is completed with an adjustable non-slip strap, making the goggles good to use with a ski helmet._Unisex modelDouble gold mirror lensCategory 3Anti-fog100% UV protectionAdjustable strap with silicone anti-slipLens ventilationSoft multi-layer hypoallergenic shaped foamHelmet compatibleSpherical lens