The Patagonia Nano-Air Light Vest delivers lightweight stretchy warmth and exceptional breathability built for high output activity and versatile layering.

• slim articulated fit supports full freedom of movement
• shell and lining use 100 percent recycled polyester ripstop with mechanical stretch and PFC free durable water repellent finish
• 40 gram FullRange insulation is 93 percent recycled polyester that stretches and breathes to release excess heat while retaining warmth
• full length front zipper with chin garage prevents irritation
• two zippered hand warmer pockets and one zippered chest pocket work easily under harnesses or packs
• vest packs neatly into its own chest pocket for compact storage
• clean finished armholes and hem reduce bulk
• bluesign approved and fair trade certified sewn
• offered in sizes extra small through extra large and multiple color options