Patagonia Men's Nano Puff Vest Orange Lightweight ripstop recycled polyester shell fabric has a DWR (durable water repellent) finish Drawcord-adjustable drop-tail hem seals in warmth Center-front zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort Brick quilting pattern with horizontal quilt lines on side panels stabilizes insulation, and uses durable thread for abrasion resistance Regular Fit