Patagonia M Nano-Air Jacket

An insulation breakthrough: the Nano-Air® Jacket featuring FullRange® insulation is warm, stretchy and so breathable, you can wear it for the entirety of any highly aerobic start-stop mission in the mountains.Features Light yet durable 100% nylon ripstop shell and plain-weave liner offer generous mechanical stretch and exceptional breathability, with a DWR (durable water repellent) finish Revolutionary 60-g FullRange® insulation warms and stretches; combined with the shell and liner, this creates a jacket with excellent mechanical stretch and unprecedented air permeability (40-CFM) Iconic Nano Puff® brick quilting in the side panels, articulated patterning and other quilting details improve shape and durability Center-front zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort Two handwarmer pockets and a left-chest pocket are zippered, welted and low-bulk to wear comfortably with a harness or pack Stretch binding at the cuffs and a dual-adjustable drawcord hem seal in warmth Materials Shell: 1.3-oz 20-denier 100% nylon ripstop Lining: 2-oz 50-denier 100% nylon plain weave Both shell and lining with mechanical stretch and a DWR (durable water repellent) finish Insulation: 60-g FullRange® 100% polyester stretch insulation Weight 354 g (12.5 oz)