Australian quality designed swim wear that offers your child the ultimate in sun protection! It is clinically tested to SPF 50 Ultra Violet Protection Factor 50, which block up to 98% of UVAUVB rays and is quick drying too. They39re great for swimming, surfing, or just building sand castles! Pair them with the Banz sunglasses and flap hats for a full protection and complete look. Fabric Nylon Elastane.