Spring Hinges -- Temples with spring hinges can flexible outward expansion, greatly reduce the pressure of the frames on the head, suitable for various sizes of face to wear.
Polarized Lenses -- Polarize lens anti glare sunglasses, see better and more comfortable, eliminate glare and reduce eye fatigue. Maximumly protect your eyes. Fashion Design--Double bridge aviator sunglasses, made with high quality stainless steel and copper, Suitable For Any Face, Show Your Unique And High-end Taste.
Light Weight Arm & Durable Nose Pads -- Light-weighted & elastic arm stress-free and the medical grade silicone nose pads adjustable giving you a comfortable wearing experience.
Suitable for Running,Climbing, Skiing , snowboarding, Driving , fishing , cycling , Baseball , Riding , Snowboard , Snowmobile , Biking , Hiking , Motorcycle , Skate or other outdoor activities enthusiasts, wind protection and other outdoor sports use, wind, anti-UV, anti-dust.