Full bottom, snaps between the legs. Low back, capped sleeves. Cotton/spandex blend. Small: pit to pit is 13.5", waist is 23", length from shoulder to hip is 19.75". Medium: pit to pit is 15", waist is 25", length from shoulder to hip is 20". Large: pit to pit is 16.5", waist is 26.5", length from shoulder to hip is 20.75" Measurements approximate and taken while flat & these are stretchy!