It’s labeled a one size. It’s about a medium fit. Check out the measurements. Pants are groovy with a bell bottom keg. Waist is stretchy. It’s 12 inches while flat. It stretches to 17 inches or approximately 34 inches around. The hips are about 29 inches or approximately 58 inches around. The inseam is 32 inches. The length is about 40 in. The fabric is stretchy. It’s a viscose and spandex blend. Shirt measurement from pit to pit is 26 1/2 inches or approximately 53 inches around. The fabric is a stretchy viscose and spandex blend. The waist is 27 inches or approximately 54 inches around. The hips are 27 inches or approximately 54 inches around. The length is 34 inches.