Right now, his active pursuits are confined to the playground and pickup games, but no matter. A quality starter short, like this style from Under Armour, understands that movement and comfort go hand-in-hand from the get-go. As such, a wider cut considers his performance, while moisture-wicking and anti-odor properties keep him feeling dry and fresh.. . 100% polyester. Loose, comfortable fit for a greater range of motion. UPF 30 protection blocks out both UVA and UVB rays. Moisture Transport System moves sweat away from the skin and dries it at the fabric???s surface. Anti-odor technology cuts down on bacterial growth. Pull-on design with an elastic waistband. Straight hem. Color-blocked design with a wordmark and logo near the hem. 6 in. inseam. Imported.