-We recommend ordering ONE size up (Regular Fit) Order usual size ( Extreme Compression Fit) -87% polyester-13% Spandex. -Excellent elasticity with enhanced range of motion. -Non abrasion fabric material with excellent elasticity and durability Moisture Sensing/Quick time Dry/TWO-WAY Air Circulation. -Safeguards your skin from harmful UV rays by more than 99% (UPF 50+)