The contour/t-shirt underwire cup has medium graduated, crescent-shaped push-up padding for lift. Center - arched center has a crossover design. Wide-set straps provide more lift at the sides of cups. Flexible boning at side seams for extra support. The sides and back are stretch microfiber with sewn-on elastic at the top and bottom. Wide Stay-Put elastic band sewn onto the interior of the middle for a secure fit. Restricted stretch, removable straps are soft exposed elastic, and fully adjusted at the back with coated metal hardware. Convertible hardware at the front and back of straps gives you five ways to wear them - classic, criss-cross, halter, one-shoulder, and strapless. Hook-and-eye closure secures at the back with coated metal hardware and has a soft lining for comfort.