Each used Patagonia® Worn Wear® style is inspected for quality, expertly cleaned and backed by our Ironclad Guarantee. The Nano-Air® Vest was made to be worn for the entirety of your aerobic, start-stop alpine missions, so you’re never slowed down by changing layers. Warm, stretchy and breathable FullRange® insulation dumps excess heat when you’re working hard and keeps you warm when you’re not. Fair Trade Certified™ sewn. The Used Women's Nano-Air® Vest is fully backed by our Ironclad Guarantee and you can find it on Patagonia.com | Patagonia Used Women's Nano-Air® Vest in Sound Blue, Size XS - Recycled Polyester