The Patagonia Kupala one piece swimsuit is made of a soft, durable 83% recycled nylon17% spandex blend with 50 UPF sun protection. A flattering V neck line features elegant ruching at the bust, and the adjustable cross back strap allows a custom, secure fit that stays in place. Hidden underbust elastic band adds comfort and support. Open scoop back has a center back ruching detail at bottom. Fully reversible solid color design provides two wear options and features a contrast color adjustable tie.