Self Expressions Shapewear by Maindenform Collection Couture I-FIT bra slip features firm tummy, waist & thigh control, wear under your dress, personalized lift for a perfect fit. 36 D cup with gentle lift, extra control panels in front and sides of back. Fabric 80% nylon/20% elastane, machine wash. Gently worn twice. Dress form in photos measures 27 inches waist and 36 hips.