MATERIAL: 70% Nylon, 30% Spandex. FIT: True to Size DESIGN: Get ready to move in style with our Full-Length Gym Romper, designed with an open back and double cross straps for a flattering, eye-catching look. Made from soft, stretch fabric, it offers a comfortable, supportive fit that moves with you through every workout. Perfect for the gym or athleisure wear, this romper combines function with elegance. MODEL: The model in the first photo is 5'5", with bust size 34.5", waist size 26.5", hip 38.5" and wears size Small.