DOLFIN Women's Reliance Colorblock DBX Back Our most popular style, the DBX Back with double binding has the look of a thin strap with the feel of a thick strap, providing maximum support. Our 100% Polyester fabric offers soft, next to skin comfort and the ultimate Chlorine protection. You can wear this suit hard and you won't wear it out! Features: 100% Polyester Fully-lined STYLE: Women's DBX-back. GREAT DETAILS: Hit the water in comfort and confidence with the Reliance color block DBX-back one piece in black with purple and white accents on the sides and across the back. This chlorine-resistant suit provides comfort to perform with freedom of movement. PERFECT FIT & FEEL: Made with 100% polyester, Reliance suits are the most durable on the market.