T-shirt bra. Seamless, wire-free bra. Adjustable cushioned straps prevent dig-in. Foam-lined cups for additional shaping and no show-through. Tall wings prevent bulges. Double layer wings for comfort and support. Polyester/Polyurethane/Nylon/Cotton/Spandex.Playtex Secrets Perfectly Smooth Wirefree Bra Style # 4707. Smooth Undercover: super smooth under your tees!Part of the Playtex Secrets Perfectly Smooth collection. Dont broadcast what s underneath your form-fitting clothing! With our Perfectly Smooth collection all you see is a smooth beautiful shape and all your feel is incredible comfort. Once upon a time bras were only expected to give support to your breasts. Today bras like this are the secret weapon to looking your best in your clothes. This bra is designed to for all-over smoothing for an invisible look under clothes. Side smoothing side wings smooth bulges. Cotton-lined No-Slip Comfort Strap design feels soft and stay in place. Silky double-layer back smooths comfortably. Fiber Content: Nylon/spandex/polyester/cotton