Sustainable and swim-ready, our Madewell Second Wave collection comes in feel-good recycled fabric. A fresh take on a tank style, this square-neck one-piece has a low back and a flattering legs-for-days cut. Light support: shelf bra. Moderate seat coverage. UPF 50 sun protection. 80% pre-consumer recycled nylon/20% elastane. Do Well: This fabric is recycled from pre-consumer nylon waste like fishing nets, fabric scraps or carpet. Machine wash. Originally $69.50