EUC - only worn/washed once From smoke free, pet friendly home Cause a retro-chic sensation in this sunshine-ready one-piece that boasts a collarbone-baring square-neckline and daring backless design. Features • From the Madewell Second Wave swim collection featuring fabric recycled from post-consumer materia s Product Details • Square-neck • UPF 50+ • Built-in shelf bra. This style features NO padding • Low back • 80% polyamide / 20% elastane • Hand wash