Spandex Imported Pull-On closure machine wash Get the support your game demands with the Nike Kids' Pro Dri-FIT Football Shivers 2-Pack. Constructed with polyester and spandex material, these shivers provide comfortable wear, while the Dri-FIT technology wicks away sweat to keep you cool and dry. UVA and UVB protection shields against harmful UV rays, and the formfitting stretch bands keep the shivers locked in.