When the air is moist and the breeze runs cold, layer up in the Patagonia Nano Puff Jacket. This 100% recycled synthetic puffer is a staple underneath snow shells and on top of your favorite long sleeve. It’s warm, windproof, and perfect for outdoor activities where staying warm and dry is essential. Featuring a regular fit and horizontal quilting pattern for abrasion resistance and warmth, the Nano Puff gets after it from the pow to the playground.