Patagonia Nano Air NWT Hoody Navy size small 100% nylon ripstop shell and plain-weave lining offer generous mechanical stretch, exceptional breathability and abrasion resistance; both fabrics feature a DWR (durable water repellent) finish Revolutionary 60-g FullRange® insulation warms and stretches; combined with the shell and lining, this creates excellent mechanical stretch and unprecedented air permeability (40CFM) Articulated patterning and quilting provide shape and durability Stretchy hood with binding easily pulls on or off, even when jacket is zipped Center-front zipper has zipper garage at chin for next-to-skin comfort Two handwarmer pockets, one external left-chest pocket and one internal right-chest pocket are zippered, welted and low-bulk to wear comfortably with a harness or pack; left handwarmer pocket doubles as a stuffsack Sleek, low-bulk, snag-resistant Variable Conditions Cuffs use stretch knit for versatile coverage and comfort; a dual-adjustable drawcord hem seals in warmth