Patagonias weather resistant jacket with revolutionary lightweight insulation. Say hello to Patagonias Micro Puff Jacket Like the Nano Puffs more sophisticated, intelligent younger brother, this revolutionary climbing jacket has it all. Its super-lightweight and compressible with unbeatable down-like warmth even when wet and a durable weather-resistant shell.The 65g PlumaFill synthetic insulation offers an unprecedented level of warmth whilst weighing next to nothing. Highly compressible, the jacket can be easily packed away into an integrated stuff sack and will take up minimal room in your pack - thats if you ever decide to take it off The Nylon Ripstop Pertex Quantum shell with DWR coating blocks wind, rain, and snow with elasticated cuffs and hem and storm flaps on all the zips to protect you from any leaks or drafts. The quilted construction not only looks ultra-modern and stylish but also enhances the insulation by stabilizing it.Arguably the best-insulated jacket Patagonia has ever built, the Micro Puff Jacket wears like a simple, light softshell with the warmth of a premium down jacket. The revolutionary PlumaFill insulation and tough weatherproof shell set this climbing jacket apart from the rest.