Zionor X Ski Snowboard Snow Goggles OTG Design for Men Women with Spherical Detachable Lens UV Protection Anti-fog Top clarity view: Panoramic designed ski goggles with optimized anti-fog & UV protection treatment for crystal and wide view when skiing and snowboarding. OTG Snow Goggles: Suitable for prescription glasses underneath, maximum glass size of: 5.51 in length x 1.57 in height. More Safety and Solid - Ruggedized lens with ZIONOR special EDT (Enhanced Durability Tech) for better impact-resistance and protect skier and snowboarder. Helmet Compatible - Curved and optimized frame designed for better helmet comparability. Stay in place when riding with ultimate speed on the slope. Customer Oriented Service - All ZIONOR snow goggles are designed for both men and women, we provide customer friendly 1 year warranty and swift response customer service. Please DO keep the goggle in the pouch or box when not using it. Please DO air-dry the goggles after every snow sport e.g. skiing, snowboarding and etc. Please DO adjust the strap and keep the goggles tight on your head before hit the slope. Please DO check if the goggles fit your helmet properly and stay in place with no gaps on top frame. Please DO reverse the fiber bag to wipe and clear the outer lens. Please DO NOT touch, wipe and clean the lens withtough items to avoid scratches. Please DO NOT use mascara or other oily substance in case lens gets dirty. Please DO NOT wipe the inner lens which will invalidating anti-fog function. Please DO NOT leave gaps if you need to wear mask orbalaclava as it will cause serious fogging. VLT 0-8% - Suitable for sunny day with bright light. VLT 9-18% - Suitable for sunny to partly cloudy day. VLT 19-42% - Suitable for overcast, cloudy,foggy day. VLT 43-79% - Suitable for low light conditions. VLT 80-99% - Suitable for dark night. Frame: TPU Helmet Compatible: Yes Face Size: One Size Frame Width: 6.9 in Frame Height: 3.8 in Lens type: Spherical Detachable Lens: Yes Detachable Strap: Yes UV400 Protection Coating: Yes Anti-fog Coating: Yes Ventilation: Two-way channel Recommended: Skiing/Snowboarding Outer Lens Material: PC Inner Lens Material: CP