Women's Nano-Air Vest from Patagonia is a warm vest with stretch that retains excess heat and keeps you warm when you're cold.\n\nSpecifications:DWR (durable water-repellent) finish The fabric is certified as approved by bluesign®. Fair Trade Certified ™ sewnMaterial:Shell and lining: 100% polyester (87% recycled) Insulation: 100% polyester (40% recycled) Patagonia Women's Nano-Air Vest Black | Buy Patagonia Women's Nano-Air Vest Black here | Outnorth