Saving lives is a serious job, so it's only natural the gear is serious too. The Women's YMCA Instructor Poly MB Back sustains 200+ hours of performance while maintaining a comfortable hold — 91% Polyester / 9% Spandex engineered to last 5–10 times longer than ordinary Poly/Spandex, with built-in UPF 50+ for teaching at the pool, waterpark, or beach. 91% Polyester / 9% Spandex; lining: 100% Polyester 200+ hours of performance — lasts 5–10x longer than ordinary Poly/Spandex UPF 50+ sun protection; improved long-lasting fit Durable protection against sunscreen, chlorine, salt, heat, and body oils Flat-locked seams lay flatter and closer to the body — won't chafe Long-lasting color retention; MB back with YMCA Instructor styling COMFORT — Flat-locked seams and premium poly stretch hold comfortably through hours of in-water teaching. PERFORMANCE — The MB back keeps shoulders free for demonstrations, assists, and everything between. DURABILITY — Engineered for 200+ hours of performance — 5–10 times the life of ordinary Poly/Spandex.
