Compressport ForQuad Compression Sleeve Anti fatigue: The shock and vibration absorption on muscles, veins and joints increases resistance to effort. Massaging-fiber: Every movement triggers a micromassage providing well being and lightness Patented fibre Shock-absorber: The 360degree compression dampens the shock wave effect on muscles, veins and joints. Ultralight: Your COMPRESSPORT do not retain water and will remain featherlight in all conditions. D-TOX: Studies show a significant reduction in lactic acid during effort.