Because our children's skin is so vulnerable to the sun, UPF 80 ensures maximum protection in real-life conditions. TESTING Our UV-certified products have been tested and certified against UV rays. uv standard To ensure the best protection for children, we tested new and used products: WEAR, MOISTURE, STRETCH, BEFORE AND AFTER WASHING. UVEXTRA™ technology offers a wide range of benefits. You'll find this technology in wetsuits and rashguards. Whatever your needs, they're all designed to offer maximum protection.