The Patagonia Men’s Nano Puff Ski Jacket has a wind-blocking; 100% recycled polyester shell that sheds moisture and glides effortlessly in your layering system. It uses Low-bulk; hydrophobic; highly compressible 60-g PrimaLoft Gold Insulation Eco that now contains 55% post-consumer recycled content; which traps heat with remarkable efficiency; even when wet. The jacket has a sculpted fit; with narrow horizontal quilting on the shaped side panels; and the soft; wicking interior storm flap and zipper garage add chin comfort. Its internal zippered chest pocket doubles as a self-stuffsack with a carabiner clip-in loop. It also has two zippered handwarmer pockets; elasticized cuffs and a dual-adjust drawcord hem to seal out wind and seal in warmth.