Women's Color Block One Piece Swimsuits U Back Athletic Training Swimwear Bathing SuitsEngineered for serious swimmers and fitness enthusiasts, this color block one piece delivers performance without compromise. The U back design provides unrestricted shoulder mobility for freestyle and butterfly strokes, while the athletic cut minimizes drag in the water. Constructed from chlorine resistant fabric, it maintains its shape and color through countless laps. The streamlined silhouette offers moderate coverage with a flattering color block