A true all-season performer, the Nano Puff jacket will take you from climbing to hiking to camp life with ease. Comfortable, durable, and extremely versatile, the PrimaLoft Gold Eco synthetic insulation gives warmth even if it gets wet. Lightweight and compressible, it layers well under a shell or can be worn as your outer layer of defence in cool, dry conditions. Patagonia Nano Puff Women's Insulated Jacket - Hemlock Green