HIGH ELASTIC MATERICMade of Nylon 88%+Spandex 12%.Skin-friendly material,more elastic than normal fabric,super soft and breathable to wear.Meanwhile, the ultra light and ultra thin material provide you with excellent comfortable and breathable feelings even in the hottest summer. COMPRESSION EFFECTThis is a hight waist body shaper that smooths,slims the torso, trims the abdomen including legs,and lifts your buttocks,giving you confidence all throughout.Also this compression shorts reduce the waist pain and improve your posture, firmly control your waist. ANTI ROLL DOWN WAISTBANDDouble layered environment friendly epoxy strips design on waistband, prevent slides down or roll up when you sit down or bend over,CONTROL TOP part has a good compression without cutting off your circulation. 3D OPEN CROTCH SUPPORTThe fly opening for crotch designed for versatility, contoured pouch designed for ideal fit of male's physiological feature.The crotch side opening design is very convenient for men to go to the toilet.