warm, water-repellent and windproof hooded jacket . the patagonia nano puff® hoody's everyday life includes dense snow showers and cold temperatures. it functions as a parka, but also as a warm insulating jacket. its sleek hood with elastic hem provides extra warmth and the slim, hydrophobic primaloft® gold eco insulation now contains 55% recycled content. it is the most efficient synthetic insulation on the market, with an excellent warmth-to-weight ratio and retains 98% of its insulating power even when wet.protected from wind and moisturethe windproof, water-repellent cover made of 100% recycled polyester with dwr (durable water repellent) and the soft, moisture-wicking inner wind flap as well as the zip cover at the chin optimise comfort. the lightweight hood can also be worn under a helmet without any problems. it can also be easily stored in the zipped chest pocket.