The Nano Puff Jacket is a windproof and water-resistant jacket that is warm, incredibly lightweight, highly compressible and can be worn as insulation or outerwear in cold climates! The jacket is an ultralight ripstop recycled polyester face fabric with a Deluge® DWR (durable water repellent) finish. The lightweight 60-g PrimaLoft® One polyester insulation provides excellent warmth and compressibility. The unique quilt pattern holds insulation in place promoting durability and longevity. This jacket includes two zippered handwarmers and one internal zippered chest pocket that doubles as a stuff sack with a carabiner clip-in loop. The dual-adjust drawcord hem keeps the drafts out and warmth in. This regular fit jacket weighs (10.6 oz) 301 g and is made of 1-oz 15-denier 100% recycled polyester with Deluge DWR finish and lined with 1.4-oz 22-denier 100% recycled polyester. It's even recyclable though the Common Threads Recycling Program!