The New Native Eyewear Chilkat (Crystal Rose) Sport Sunglasses, unisex, Eyewear , Sport , General Sport Eyewear, One Size, true, Be the coolest kat around with the Chilkat sunglasses from Native Eyewear. N3 lenses minimize haze so you get greater clarity color and contrast. Rhyno-Tuff air frames are a proprietary high performance thermoplastic material which is extremely lightweight yet durable enough to withstand high velocity collisions and temperature extremes. Cam-Action Hinges quickly lock into position to get you ready for action. Mastoid Temple Grip ensures the temple ends hug the mastoid bone (behind the ears) which allows for a secure and comfortable fit. Proprietary composition of Cushinol at temples and nose pads create a non-slip fit that keeps sunglasses in place during athletic activity. Best fits a medium to large profile. Hard case and storage bag included. Imported. Measurements: Eye Size: 56 mm Bridge: 16 mm Temple Size: 128 mm Weight: 1 oz