Whether we are just walking around the block or are dozens of miles from civilization, the Patagonia Nano-Air Light Vest has our back. Featuring a lightweight and warm recycled polyester fabric, the Nano-Air Light Vest is super comfortable and has a PFC-free DWR treatment to help shed water from the exterior. This vest is loaded with FullRange recycled polyester insulation to keep us warm without all the extra bulk. Two zipper hand pockets and a zippered chest pocket store our essentials and snacks for easy access, and the extended collar and full zip design give us extra coverage when the weather starts acting up.