Ultra comfortable and cool Have fun in the water in these stretchy and quickdrying boys swim jammers that fit like a second skin Arena Waterfeel Eco fabric 4waystretch chlorine and salt water resistant UPF 50 UV protection quickdrying great fit and comfort made from recycled polyamide 80 Polyamide 20 Elastane Jammerstyle swimsuit equipped with internal drawstring for a great fit 142 side length and front lining for additional comfort perfect for fitness swimming water aerobics and recreational use The fabric dries fast after swimming and the elastane content adds stretch letting the bathing suit move with you while maintaining a snug flattering fit for allday wear Ideal for fitness and leisure swimmers doing any water activity at the pool at the beach and in any other body of water including swimming aqua fitness and wellness