The best warmth for weight of any jacket we’ve ever built, the Micro Puff® Jacket delivers ultralightweight, water-resistant, down-like warmth with PlumaFill synthetic insulation—a revolutionary featherlight down alternative. Fair Trade Certified™ sewn. Ultralight nylon ripstop Pertex Quantum® shell is water-resistant, windproof and treated with a DWR (durable water repellent) finish Revolutionary lightweight PlumaFill insulation replicates the structure of down in a continuous synthetic insulation material, offering the warmth and packability 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 Fair Trade Certified™ sewn Material: Shell and lining: 0.7-oz 10-denier 100% nylon ripstop Pertex Quantum® with a DWR (durable water repellent) finish. Insulation: 65-g PlumaFill 100% polyester. Fabric is certified as bluesign® approved. Fair Trade Certified™ sewn