Double-layer bonded knit Tech-Shell™ with a smooth face and mesh backing offers superior performance and comfort. 6.5 oz, 100% polyester doubleknit. Fabric wicks moisture away from the skin's surface to keep you dry. Hand pockets provide warmth and storage. Hidden media player pocket. Raglan sleeves offer a comfortable, nonbinding fit. Flatlock seams reduce chaffing and increase durability. Drawstring bottom hem with dual barrel stoppers.