100% River Tec™ Nylon Taffeta 2.06 oz. Lined with 100% Cotton Flannel for added comfort and warmth, wind & water-resistant fabric offers protection from the elements, lightweight & packs into its own pouch pocket for traveling on the go, hood with adjustable shockcord drawstring, elasticized cuffs and an adjustable shockcord hem, athletic, rugby inspired styling.