Smooth things out while remaining comfortable all day with the Spanx Sculpting Slips Full Slip. TUMMY CONTROL: Bonded Shaping Panel. BREATHABLE: Cling-free shaping fabric. OPEN BUST: Design accomodates all bust sizes and allows you to wear your own bra. NO-SLIP: With no-slip technology, they mold to your body and stay put. FIT TIP: This slip may feel tight as you first put it on, but don't worry, it will form to your body. We promise, it's worth the SPANX shimmy! Front: 58% nylon, 42% lycra elastane;Back: 52% nylon, 48% lycra elastane;Lining: 80% nylon, 20% elastane. Machine wash, tumble dry.