The ADV Air Short Sleeve Jersey is made with VaporRize(TM), a unique blend of yarns that move moisture away from the skin to keep you dry and comfortable. With a UPF 50 rating, a front chest zipper pocket, and a cinchable hem, you'll feel secure and protected while riding through all the wild elements. - Back panel zipper pocket keeps your essentials secure during your ride. - Bottom hem adjustability for secure fit. - Fabric Content: MAIN: 13% Cotton, 5% Spandex, 82% Polyester - OTHER: 94% Nylon, 6% Elastane