Patagonia Men's Micro Puff Jacket Shell: 1.7-oz 30-denier ripstop 100% recycled polyester with a Deluge DWR (durable water repellent) finish. Insulation: 100-g PrimaLoft Sport 100% polyester. Lining and stuffsack: 1.4-oz mini-ripstop 100% polyester Windproof shell made of a lightweight recycled polyester with a Deluge DWR finish Insulated with warm and compressible 100-g PrimaLoft Sport stays warm when wet Articulated elbows improve mobility and stretch cuff inserts enhance protection Full-length front zipper has a low bulk wind flap, two zippered handwarmer pockets, one internal zippered storage pocket Drawcord hem; stuffsack included