Speedo Placement Muscleback Womens Streamlined, tech-inspired aesthetics. This sporty black Muscleback features a dynamic curved side panel design spliced with a red and blue plastisol print. 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 our new ECO Endurance+ fabric, which is 100% chlorine resistant, quick-drying and made from 50% recycled materials.