Stretch In The Sun And Find Your Flow Under The Energizing Warmth Of The Brightest Light. The Nike Chak Sunglasses Feature A Grippy Wave Design At The Temples Inspired By The Calming Zen Of Crashing Waves.Benefits:- 4-Base Flat Lens And Slim Profile Provide Everyday Coverage.- Durable, No-Screw Hinges Stay Securely Open And Closed.- Texturized Rubber Temple Tips For Enhanced Stability And Grip.- Injected Frame Material Is Derived From At Least 45% Castor Bean OilSpecifications:Measurements:- Bridge: 19 Mm- Temple Length: 140 Mm- Lens Width: 54 Mm- Lens Height: 41 Mm