These Building Blocks Jammers by Aqua Blu Australia are the perfect choice for young swimmers. Made with a high-quality UPF 50+ Sun Protection Rated fabric, they offer excellent sun protection, while their fitted style provides a streamlined look and feel in the water. - UPF 50+ Sun Protection Rating - Fitted style - Fully lined - Fabric Outer: 73% Nylon, 27% Elastane - Fabric Lining: 88% Polyester, 12% Elastane Fit: - Fits true to size - Fitted style - Fabric is breathable and moisture wicking