Packable, durable, comfortable, lightweight... and warm? Yes. Finally, a pullover that does it all. Featuring 60-g of PrimaLoft® silver premium insulation covered with a durable wind-proof and water-resistant (DWR) lightweight exterior shell. The technical quilt design stabilizes insulation minimizing air draft. Strategically placed spandex side panels to reduce bulk for non-restricting freedom of movement , a hidden side-zip for easy entry/exit. YKK zippered chest pocket, YKK zippered drop-in torso pocket and warmth sealing stretch cuffs.