Our Run Shorts 3.0 feature a rare combination of True compression over the quads and hamstrings, with the comfort of a nylon/spandex chaff resistant running brief. The brief has fewer seams and an easy-fit wider waist band with drawstring to ensure the best comfort possible. Our knit True Compression panels wrap around the thigh to offer compression and support the quad and hamstring muscle groups. CEP Compression technology supports the large muscle groups in the thigh like no other thanks to circular knit panels providing unmatched support and graduated compression. The cuffs have been totally re-designed to ensure comfort for different leg shapes. They have a small, secure, zippered key pocket on the back located just below the waist as well as gel pockets on each hip. Reflective logos and graphics offer improved low-light visibility. Combines True compression sleeves that support large muscle groups with a comfortable nylon/spandex running brief Easy-fit wide waistband ensures comfort on the longest of runs Knit True compression panels support quad and hamstring muscle groups How to Wash Compression Run Shorts Machine wash in cold water Machine dry with low heat No bleach, No Woolite, No fancy detergents " These CEP compression shorts are great for maximizing your endurance and muscle performance during long runs and marathon training alike. Their seamless design with a drawstring ensures a comfortable and precise fit." - Runner's World