The Men s Nike Swim Belted Packable 5 Volley Short is built for comfort and convenience. These men's swim trunks feature multiple pockets for hands-free storage, including on-seam pockets, a media pocket, a cargo pocket and a packable back zipper pocket that converts into a built-in bag. The stretch waistband has an exposed webbing belt for adjustable comfort and the built-in mesh brief offers a secure and supportive fit. The lightweight polyester fabric of these swimming trunks contains at least 75% recycled materials. Main 100% Recycled polyester. Lining 100% Recycled polyester.