Patagonia Men's Micro Puff Jacket The Micro Puff Jacket delivers ultra lightweight, water-resistant, down-like warmth with PlumaFill synthetic insulation--a revolutionary featherlight down alternative. Patagonia delivers again with a warm packable jacket that hits the mark. Features: Ultralight nylon ripstop Pertex Quantum(R) shell is water-resistant, windproof and treated with a DWR (durable water repellent) finish Revolutionary PlumaFill insulation replicates the structure of down in a continuous synthetic insulation material, offering the warmth, packability and feel of down but with the warm-when-wet performance of synthetic insulation Innovative quilting construction complements the insulation by stabilizing and maximizing the loft of the PlumaFill strands with minimal stitching Center-front zipper has storm flap and zipper garage at chin for next-to-skin comfort Two welted zippered handwarmer pockets and two internal drop-in pockets; left pocket doubles as a stuffsack with a reinforced carabiner clip-in loop Elasticized cuffs and hem seal in warmth 235 g (8.3 oz)