Our supportive Solid Racerback Zip Swimsuit is built for fitness and active swims. Made from Endurance Pro fabric with four-way stretch, it resists chlorine and pilling for lasting comfort and durability. A 360-degree comfort elastic underband offers medium bust support during medium-intensity workouts, while the racerback design with back zip supports a full range of shoulder mobility. Cut with classic coverage. Body made of 57% recycled polyester, 43% recycled polyester PBT. Chlorine Resistant - Resists chlorine for long-lasting fabric performance Pilling Resistant - Fabric resists pilling for lasting durability Back Zip - Unzips at the back for easy changing Classic Coverage - Just right - our classic shape with medium coverage Front Lined - Front-lined for modesty Medium Bust Support - 360?Comfort underbust elastic for extra support Racerback - Racerback design allows maximum shoulder movement and flexibility Endurance Pro - All the performance credentials of Endurance+, constructed from 100% recycled yarns. Four-way stretch fabric designed for durability with chlorine and pilling resistance. Body made of 57% recycled polyester, 43% recycled PBT