Baby Boys Infant Swimsuit Swim Trunks and Hat Set Sharks - UPF 50 Protection Protect baby from the sun with these adorable swim trunks and matching hat! Board shorts style swim trunks feature bold sharks design on navy background. Matching Aussie style hat has snaps to snap brim up for a different look. Elastic waist, mesh liner. Swimsuit fabric content: 100 % Polyester with UPF 50+. Protective Features: UPF 50+ Sun Protection.