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 hem seals in warmth Fair Trade Certified sewn 162 g (5.7 oz).