The Flap Happy Swim Trunks offer excellent sun protection with a UPF 50+ rating. This is considered the highest rating in the UPF classification system. These swim trunks feature a built in mesh liner, waist drawcord, and are ideal for any outdoor activity, such as the pool, the park, or the beach! Mix or match these swim trunks with their matching rash guards (shown below and SOLD SEPARATELY).