These FLEX Shorts are probably going to be your new go-to pair for runs and workouts. They have a built-in interior drawstring and ribbed compression liner that is fully exposed at the hip and is just short enough to attract the best attention They are also equipped with zipper pockets that are sewn into the legs, which means your phone, wallet, and other essentials will hold snug against your body while running or working out. These shorts and liner are intended to fit snug around the legs and rear. If you are blessed with a particularly thick caboose or thighs, we'd recommend sizing up. Model is 6'2" 185 lbs, wearing size M. Materials: Exterior: 80% Nylon Polyamide, 20% SpandexLiner: 95% Polyester, 5% Spandex