Summersalt Ruched Sidestroke Bikini Swim Top in Burnt Sienna with UPF 50+ Size 10 Like new condition. Washed once. Never worn. Our best-selling Sidestroke Bikini Top is back in a clean, modern, new silhouette featuring soft ruching at the shoulder! The back features a striking asymmetrical opening. Boob Support: Built-in soft cups for extra coverage Compression: Our signature fabric and construction makes for the perfect, secure fit Composition: 78% recycled polyamide, 22% elastane Fit tip: Swimwear should fit snug when dry 78% recycled polyamide, 22% elastane Beach Proof Fabrics Suits made with our signature swim fabric offer UPF 50+ protection, and they can stand up to sand, sweat, and chlorine. Live wear tests have shown that even after 100+ hours of use in chlorinated water, the fabric retains its shape and compression power.