This wireless bra is extra comfortable and will become your favorite to wear every day. The fabric of this bra is super soft, stretchy, and provides maximum comfort. The body is a blend of mostly Polyester and Spandex while the back is mostly Nylon and a little Spandex. The bra flexes to fit your individual shape and won't stretch out overtime. It includes four adjustment settings on the hook and eye for the best fit for you. The cups are breathable with cooling comfort, shape, and support while the seamless back design provides light smoothing properties. This provides a more seamless look for wearing under your clothes. The bra is very supportive and the back adjustable cushioned straps stay in place and offer 2 way convertibility to wear traditional or crisscross. This is a classic, casual bra you can enjoy all day long and wear every day. Please note: Undergarments are not able to be returned or refunded if they have been removed from their original packaging.