Patagonia Men's Nano Puff Hybrid Jacket Red/Orange X-Large Unique quilt pattern holds insulation in place, which provides excellent warmth and compressibility Full-length, reverse-coil front zipper treated with a Deluge DWR finish; backed with a low-bulk wind flap Polartec R2 fleece has exceptional warmth-to-weight ratio, and is compressible and breathable with stretch in critical areas Microfleece-lined neck and chin for comfort Lightweight recycled polyester ripstop shell with a Deluge DWR (durable water repellent) finish protects; 60-g PrimaLoft ONE keeps you warm; Polartec Thermal Pro vents excess heat to keep the body temperature perfectly regulated