HiCool Kids Ski Snow Skate Snowboard Snowmobile Goggle with Mirrored Lens - Anti-Fog UV Protection Detachable Wide Spherical Goggle Lens Excellent Optical Clarity & 100% UV Protection: Ultra wide-angle spherical, dual-layer PC lens with mirrored appearance and anti-fog coating, presenting a wider crystal clear view and protecting kids' eyes from any risk Smooth Ventilate System: Snow goggles with two-way ventilation system on frame and vent holes on lens create perfect air flow channel, exhausts moisture and brings fresh air effectively for better fog-resistance Comfortable and Perfect Fit: Extra soft, triple-layer(2-foam, 1 soft fleece) absorbent and breathable memory foam attached tightly on frame, achieving a comfortable fit wearing, keeps kids face warm and blocks wind out Universal Helmet Compatible: With extra long adjustable elastic strap, fits different size of helmet and face mask very well, also suited for most head sizes, which offers all-day comfort when skiing Replaceable Lens & OTG Design: The Interchangeable lens feature allows kids to swap lens for different weather conditions & personal preferences; the over-the-glass design ensures kids still can wear glasses with the ski goggles