J.Crew Black Ribbed One-Piece Rash Guard Swimsuit Size 8 NWT. Made for swimming, paddling, surfing...all things water and sporty, this suit is crafted from from a special fabric that incorporates recycled nylon. A sporty style with a twist, it features rash guard-like long sleeves, high neck, and a cool, open back. Modest on the bottom with a full coverage seat and low-cut leg. Removable padding and lined top with shelf bra. 81% recycled nylon/19% elastane. 92% recycled poly/8% elastane lining.