Seriously addictive insulation: one wearing and we were hooked for life. Stretch nylon ripstop shell shadows every move, DWR finish shirks the elements. Wicking waffle knit underarms, sides and back release heat and moisture. Weighs in at just under 9 oz. Thumbholes. Online only. XS(0-2), S(4-6), M(8-10), L(12-14), XL(16).