Native Eyewear Chilkat Polarized Sunglass NA Made in USA or Imported Be the coolest kat around with the Chilkat sunglasses from Native Eyewear&reg;. N3 lenses minimize haze so you get greater clarity, color and contrast. Rhyno-Tuff&reg; 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&trade; ensures the temple ends hug the mastoid bone (behind the ears) which allows for a secure and comfortable fit. Proprietary composition of Cushinol&trade; 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 This product may have a manuf