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. SKINS also helps to regulate body temperature in both warm and cool conditions. Muscles warm up through enhanced circulation and excellent sweat management system helps to circulate air, keeping you cool. Skins help to improve the supply of oxygen to activate muscles, enhancing natural performance and increasing the turnaround of metabolic waste and reducing the build up of lactic acid. The Skins RY400 Recovery Women's Compression Running Tights to be used to help recovery after training, which incorporates a technology that has been tested on hundreds of real athletes using 3D body scanning and dynamic compression measuring techniques. This helped SKINS determine exactly where compression is needed for optimal circulation, injury prevention and maximum comfort. "Hundreds of athletes, over 80,000 measurements of each, 400 key fitting points... PERFECT FIT!" This series from skins is designed to be worn after your chosen exercise. Stepping into the RY400 after a workout enhances the circulation in the legs, arms and shoulders. A recovering body has different compression needs to one that is in motion. This range can help to prevent muscle fatigue, eliminate delayed onset muscle soreness and improve recovery. Can even be worn whilst asleep to really speed up your recovery! It is recommended that you wear your RY400 for at least 3 hours to get the best results. The Skins 400 fit offers maximum comfort, so you can even wear them while you sleep to speed up your body's natural recovery process.