GOOD MOOD IS THE GOAL 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. Lightweight and durable frames 100% UVA/UVB protection PRODUCT DETAILS Sustainable injected frame material is derived from at least 45% castor bean oil Available Size: 54-19-140 Gender: Male