The Skins wrap and support key muscle groups, which reduces vibration and helps maintain muscle alignment. The fabrics also draw moisture away from the skin, keeping you dry. The 400 fit and dynamic gradient compression creates a tight fit, which follows your body contours to reduce muscle recovery times. Biomechanically placed Memory MX fabric over the spine and around the scapula and obliques provides constant, controlled compression and unrestricted movement to help you to avoid the type of muscle damage you sustain in action, but only notice when you cool down. Dynamic gradient compression allows the body to deliver more oxygen filled blood to active muscles to increase power and stamina.