The Warner's Women's Cloud 9 Wire-Free Contour Bra is a popular choice for those seeking a wire-free spacer t-shirt bra. It is made with soft and breathable fabric that offers all-day comfort. The bra has a contour design that provides a natural shape and lift. It also features adjustable straps and a hook-and-eye closure for a customized fit. With its comfortable fit and supportive design, this bra is a top seller on Amazon.