UPF 50+ Wesley Swim Trunks: Our popular jungle swim trunks feature a built-in mesh liner, waist drawcord, and custom Flap Happy prints which your lil' man will love! Not only are these shark swim trunks are fun and stylish, but they are also UPF 50+, the highest rating in the UPF classification system. Mix n match with coordinating Flap Happy UPF 50+ rash guards and UPF 50+ hats for maximum sun protection. Great for the pool, the beach, or any outdoor play!