Speedo swimsuits speedo womens hyperboom splice muscleback swimsuit anthracite margarita pink built for active swims, engineered to last. Designed for active swims, the hyperboom splice muscleback is part of our iconic hyperboom collection. Made from endurance pro fabric with four-way stretch, it resists chlorine and pilling for lasting comfort and durability. Cut with mid coverage in a muscleback style, it offers flexibility and freedom of movement. Built to perform, session after session. Endurance pro fabric chlorine resistant four-way stretch muscleback mid coverage pilling resistant 3 key features endurance pro fabric the hyperboom splice is constructed from speedo’s endurance pro fabric, a blend of 57% polyester and 43% polyester pbt. This combination delivers four-way stretch so the suit moves with you through every stroke. It holds its shape and colour far longer than standard swimwear fabrics. Chlorine and pilling resistance endurance pro is specifically engineered to resist the degrading effects of chlorine, keeping the fabric strong and vibrant across hundreds of pool sessions. The pilling-resistant finish means the surface stays smooth and sleek wash after wash. You get a suit that looks and performs like new for far longer. Muscleback cut for freedom of movement the muscleback design leaves the shoulders open, giving your arms a full, unrestricted range of motion in the water. Mid coverage at the back strikes a balance between secure fit and comfort during lo...