Wear them for sports, on the boat, or just on the go. The 4-way stretch bamboo-charcoal blend moves when you do, wicks away moisture, and dries quickly. Extra-deep hand pockets, a leg pocket, and two back pockets keep your stowables, and UPF 50+ protection keeps out harmful rays. Nylon/bamboo charcoal-infused polyester/spandex.Sizing Charts