Santorini Stripe Swim Trunks BluePrepare for delightful water adventures in our Santorini Blue Swim Trunks. These blue stripe boy's swim trunks feature an easy pull on waist with functional tie for convenience. They provide UPF 50 Protection to keep your little one safe under the sun. New Boy's Swim Sizing! Starting with our 2025 collections, we have updated the fit of our boy's rash guards and swim trunks. Trunks now have a shorter, sportier fit and should be true to size.