The best warmth for weight jacket Patagonia has ever built, the Micro Puff Hoody delivers ultralightweight, water-resistant, down-like warmth with PlumaFill synthetic insulation—a revolutionary featherlight down alternative.This unprecedented combination of warmth, minimal weight, and compressibility—even when wet—offers the versatility of synthetic without compromising the benefits and feel of down. A nylon ripstop Pertex Quantum shell, with a durable water repellent finish, blocks wind and snow. The garment’s design maximizes performance and minimizes useless fluff. Additional features include zippered handwarmer pockets, a pair of sleek internal drop-in pockets, a light and simple under-the-helmet hood, and elasticized cuffs and hem.