The Assets by Sara Blakely Unbelievable Underwear 124B is a mid-thigh shaper that smooths the tummy, thighs and rear. Wear this shapewear every day as underwear for a slender look under your sassy skirts and dresses. Assets by Sara Blakely's Unbelievable Underwear 124B features a patented, legband-free design to provide a smooth look near the thighs.