These unique compression shorts are developed in collaboration with top sporters, physiotherapists and sports physicians, specially designed for the prevention and eventual treatment of groin and hamstring injuries. The Knapman compression shorts are ideal for wear during or after sport. Wearing the compression shorts will decrease injuries and help muscles recover faster. Revolutionary compression shorts by Knapman The Targeted Compression Zones, that follow the anatomy of the body and the muscles, give 'ultimate compression' to the correct areas. For the prevention and treatment of upper leg injuries.Especially effective for groin and hamstring inuries.Reduces muscle fatigue and muscle damage during training and competition.Speeds up recovery after heavy physical exertion and injury.Improves blood circulation in the muscles (less cramp and muscle soreness).Increases strength and stamina.Allows total freedom of movement. The built-in compression zones give extra stability and support to the muscles: the muscles vibrate less which in turn reduces the energy lost and reduces muscle damage. Product qualities The Knapman compression shorts are made from MaxClima fabrics: Targeted compression zones.Exceptional comfort of wear and a perfect fit. (CoolTouch and SoftFeel application)Exceptional ventilationMoisture regulating and quick drying Multifunctional compression shorts Groin Support The compression shorts offer optimal stability and support for the muscles in the groin area. Muscle damage occurs less, which in turn avoids groin injuries. Hamstring Support The compression offers additional stability. Because of the compression, muscle vibrations are limited, so less energy is lost and less muscle damage occurs. Thigh Support Due to the zoned compression of the thigh muscles, the shorts offer stability and support. This prevents muscle tears and improves endurance. Lower Back Support The targeted compression zones in the compression shorts offer optimal support for the lower back. Back problems can be significantly reduced. Revovery and Injury prevention The Knap'man zoned compression shorts are highly suitable for both recovery (especially 25% compression shorts) and injury prevention (especially 45% compression shorts). Knapman Club Colours Due to the fact that the official sport authorities have strict regulations as to the colour of underwear, the Knap'man compression shorts are now available in the popular club colours. Used in all Major Sport competitions Knapman compression Shorts are worn by players from all major soccer leagues, including the 2018 World Cup, Eredivisie, Jupiler Pro League, Premier League, La Liga, MLS.