Knockaround Kinetics Sunglasses Color:Black on Black Enhanced rocker and toe-off for

Enhanced rocker and toe-off for extra propulsion

Helion superfoam provides comfort

The dropped back hem delivers comfortable coverage as you crush your miles

Best For: Road running

energy return

Knockaround Kinetics Sunglasses Color:Black on Black Enhanced rocker and toe-off forEvery part of these durable sunglasses from nose to ears is rubberized for extreme comfort and protection, plus, Knockterra lenses offer powerful UV400 protection and are designed to resist water and oil. Knockterra performance lenses Made with TR90 material, these frames are lightweight, durable, and flexible, offering all day comfort Water resistant and oil resistant lenses Full UV400 eye protection Adjustable rubber nose pads Snap hinges Flexible