These snow goggles offer ventilating and antifog technology, crystal-clear vision and light-to-dark swap lenses with Smith's easiest lens-change system. 203mm lens width 100% UV protection Dual-slide strap for easy size adjustment Cylindrical Carbonic-x lens for clarity and impact resistance with built-in Airflow technology for active ventilation ChromaPop™ enhances contrast and natural color to make the details pop Ultrawide, silicone-backed strap Two-layer DriWix face foam wicks moisture for a fog-free fit Responsive Fit™ frame adjusts to your face for a precise, comfortable fit Helmet-compatible Polycarbonate outer lens; cellulose acetate or cellulose propionate inner lens Made in the USA