Nike Essential Chaser sunglasses provide everything you need for an active lifestyle. These Nike sunglasses feature Nylon frame material that works to deliver a comfortable fit and durable build. Cam hinges snap firmly into place so you don't have to worry about your frame losing their form and fit. A 6 base frame design makes the Nike Essential Chaser highly Rx-able and compatible with many prescriptions. Nike Essential Chaser prescription sunglasses have a great mix of function, style and visual clarity, making them an ideal pair for everyday performance.