Boys Arena Kikko Swim Shorts in navy. Features internal drawstring and front lining. Offers maximum chlorine resistance and extreme durability with UPF 50+ UV protection. Made from 100% Polyester. These extremely durable, chlorine-resistant and stylish swimming shorts are ideal for long-lasting performance in the pool. They are designed for both performance swimmers and regular swimmers who swim frequently. The cut allows for absolute freedom of movement and flexibility, ensuring a perfect fit.