Booty Lifter Boyshort™ provides a light lifting effect that is not overboard. Lift the butt up instantly. Add dimension and lift the derriere naturally with front tummy control. Sexy comfortable and invisible. Instantly gives the butt a boost. Enjoy your beautiful curve at anytime. Can be worn underneath any type of clothing. Hand Wash Cold, Hang Dry. 85% Nylon 15% Spandex.