Go fast with French Fry Goggles. Hyperventilator™ anti-fog technology and helmet compatibility ensure that it's you who's bad, not your goggles. Available in two sizes, Small Fry for small heads, Big Fry for big heads.Whatever you do, do NOT make pizza.Disclaimer: If this doesn't make sense to you, re-read it after your first day at ski school.Glass: Polycarbonate Color of vision : Grey Light transmission: 12%, CAT 3 100% UVA + UVB protectionPerfect peripheral vision: World's best vision peripheralNever fogging: Anti-fog coating on lensHelmet compatible: Glasses that fit your helmet perfectlyNon-slip rubber contact pointsBox contents1 Limpcloth™Care instructionsDO: Clean your Pit Viper lenses with the Limpcloth™ (included with every Pit Viper) and warm mist or Snake Oil lens cleaner (sold separately).DON'T: Don't clean your Pit Viper glasses with bleach, dishwashing liquid, household cleaners, salt water, sandpaper, sweat or other bodily fluids, mysterious or otherwise.