1. Material: 88% nylon + 12% spandex; 2. belly bulges is no longer a difficult problem while you put on these body shaper shorts, it will flatten your stomach and smooth out lumps and bumps by providing compression on the abdomen; 3. Men body trainer shapewear feature wide waistband which work like a tummy tuck belt, suck the unwanted excess belly fat in, and guarantee light support to relieve pain on the lower back, belly trimmer underwear briefs provide comfortable waist cinching effect for all-day; 4. Tummy control shorts with 3D POUCH SUPPORT design on the crotch to fit the male physiological feature; 5. Perfect for running, camping, riding, climbing, and any other sports.