Wore once Sustainable and swim-ready, our Madewell Second Wave collection comes in feel-good recycled fabric. With a cute double-strap detail, this floral-printed, one-shoulder one-piece swimsuit will give you the coolest tan lines. Light support. UPF 50 sun protection. 82% recycled nylon/18% elastane. Do Well: recycled from preconsumer waste that would otherwise go to landfills. Machine wash.