Features: -- ZIONOR provides alternative lens, frame and strap for your personal preference, sports, weather condition and etc. -- ZIONOR delivers superior quality goggle with durable material, innovation design and professional pre-sale, after-sale service and solid warranty policy. Our Lagopus series dual-lens goggle featured with anti-fog, anti-wind and 100% UV protection to protect your eyes when skiing, snowboarding, snowmobiling and other winter sports. -- Clear vision at day & night in all weather condition: ZIONOR snow goggle comes with different combinations and spare lens as alternative. Different lens VLT offer great panoramic vision and clean sight for all the way down from hill. -- Compatible with your own sport gears: The Lagopus series snow goggles come with adjustable extra-long head strap which compatible with helmet and different head size for both men and women. -- Keep you warm, keep the goggle tight and keep you safe on the slope! Material : -- Out Lens: PC+UV  -- Frame: TPU Friendly Notices: -- Please do not use finger or rough cloth to wipe and clean the lens as they will either stain the lens or reduce the anti-fog effectiveness. -- Please keep the goggle in the pouch or box instead of facing on the ground or desk. -- Please do not use mascara or other oily substance in case lens gets dirty. -- Please maintain ventilation of goggle or use hairdryer for perspiring after snow sport. -- Please do not wipe the inner lens which will reduce effectiveness of anti-fog. ZIONOR GUARANTEE: ZIONOR are committed to 100% satisfaction to our customers. We are highly appreciate all the customers' opinions to improve our store, and if anything you are unsatisfied or have any problem of the products, please feel free to contact our customer service for the solution.