This is one of our best running sunglasses for men and women.The frame of our sunglasses are built with true TR90- allowing maximum flexibility, light weight, and advanced durability. Our TR90 frames include Shape memory technology that allows the material to bend and flex and holds memory that allows it to return back to its original shape.We’ve built our frame with material that is Durable, flexible and most importantly lightweight. The overall weight of our sunglasses are as light as a feather and feel seamless when wearing; This is intended to maximize comfort.
1.Flexible tr90 frame
2.Polarized lens with uv400 function