Streamline your technique and look in the Speedo Women's Placement Muscleback One Piece Swimsuit. This sporty black Muscleback features a dynamic plastisol print spliced with bright orange and pink. The muscleback style offers flexibility during your fitness training and includes a medium neck and back opening, so you feel confident and secure as you move through your workout. Designed to be durable and better for the environment, the suit features Speedo's new ECO Endurance+ fabric, which is 100% chlorine resistant, quick-drying and made from 100% recycled materials.