These ventilating OTG snow goggles seal out the cold and offer a distraction-free fit so your young shredder can hit the slopes with crisp clarity and comfort.Lens: The wide, impact-resistant Cylindrical Carbonic-x lens maximizes the wearer's view for optimum clarity and improved airflow and features a Fog-X inner lens for fog-free performance.Fit: These low-profile youth-fit goggles are designed to accommodate prescription glasses and integrate seamlessly with Smith helmets (sold separately). They also feature a comfortable strap in a statement print that adjusts for a secure fit that stays firmly in place. Adjustable strap 100% UV protection Single-layer hypoallergenic face foam for low-profile, comfortable fit Polycarbonate Made in the USA of imported materials CA WARNING: this item can expose you to BPA, a known carcinogen and reproductive toxicant. See below link for more details on Proposition 65