Flat-knit collar and heel tab provide easy on and off with a sleek sock-like look

explosive rebound foam formulated to perform

Reverse jersey knitting

designed to fit loosely around the body

External waterproof zippered storage pocket / heat pack pocket

Men's Atmosphere Binge Sunglasses Color:Black/Dark Silver Revo Flat-knit collar and heel tabThis sunglass features optical grade shatterproof Polycarbonate lenses that are lightweight, durable and have been developed to perform in a wide range of temperatures and conditions. The lenses offer distortion free optics, they exceed the FDA ANSI Z80. 3 standards for impact resistance and they filter out 100% of the dangerous UV light up to 400 nanometers. The frames are designed and manufactured using the highest quality materials and are built