Performance Design Shock Doctor McDavid Sports performance compression 3/4 tights target compression over knees to give extra joint support Compression technology provides support, lessens muscle vibration, and reducesmuscle fatigue 6-thread flat-lock technology and 3/4 length provide a superior fit with coverage and lower-body protection from court surfaces and abrasions hDc Moisture management treatment disperses and dissipates sweat so you can stay cooler and drier