The Women's Patagonia Micro Puff Jacket is a lightly insulated jacket for climbing. The revolutionary lightweight PlumaFill insulation that replicates the structure of down in a continuous synthetic insulation material, offering the warmth and packability of down along with the warm-when-wet performance of synthetic insulation, and innovative quilting construction that stabilizes and maximizes the loft of the PlumaFill strands with minimal stitching. It offers a center-front zipper with a storm flap and zipper garage at the chin for next-to-skin comfort. It is designed for high mobility and has two zippered welt handwarmer pockets and two internal drop-in pockets, with the left handwarmer pocket doubling as a stuffsack with a reinforced carabiner clip-in loop; plus elasticized cuffs and an adjustable hem to seal in warmth.