PWX: Following extensive ongoing research consultation with the world's finest athletes sporting institutes, 2XU is proud to present PWX - a collection of premium Compression fabrics engineered to offer optimal POWER, WEIGHT FLEXIBILITY in perfect equilibrium depending on your needs. Each PWX fabric features high grade elastomeric yarns a superior grade circular knit structure to allow 360 degree stretch, unsurpassed power flexibility. 2XU GRADUATED PRESSURE: 2XU's graduated compression technology boasts regulated pressure throughout all garments to deliver performance benefits during and post exercise. By enhancing circulation through increased venous function, more oxygenated blood is delivered to the muscles that need it most. At the same time, by-products created by exercise, such as lactic acid, are flushed from the muscles to reduce fatigue and decrease recovery time.