Gear up with the Oakley OO9521 Tourniquet sunglasses—precision-engineered for fearless athletes. Featuring bold square frames made from lightweight nylon and propionate, they offer relentless durability and a standout modern look. The injected temples ensure a secure, adaptive fit, while the grey lenses with mirror and flash detailing deliver sharp contrast enhancement for crisp clarity in every moment. Finished in a sleek black frame front, these full-rim Oakley sunglasses empower you to push limits with uncompromising protection against 100% UVA and UVB rays.