The Women's Patagonia Micro Puff Hoodie is an ultralight and windproof shell made of Pertex Quantum featuring recycled nylon ripstop for cool to cold weather climbing. The revolutionary lightweight PlumaFill insulation mimics down structure in a continuous synthetic material, providing the warmth and packability of down combined with synthetic insulation's warm-when-wet performance. The hoodie is equipped with two zippered welt handwarmer pockets and two internal drop-in pockets, with the left handwarmer pocket doubling as a stuffsack featuring a reinforced carabiner clip-in loop, light and simple under-the-helmet hood construction, plus elasticized cuffs and an adjustable hem to seal in warmth.