The Odyssey II Goggles have a unique sealed dual scratch-resistant, 100% anti-fog lens made out of UV absorbing polycarbonate. It's a single lens with an anti-fog treatment on the inside and an anti-scratch treatment on the outside. The soft, ski-style shaped body provides a comfortable all day fit, while providing extra wide peripheral vision. The Odyssey II Goggles easily fit over prescription eyewear and is supplied with an adjustable flame retardant or neoprene strap, securing a snug fit to any size face. Meets ANSI Z87.1-2003 Standards, is CUL Certified.