Warm, windproof, water-resistant—Patagonia’s Nano Puff® Vest uses warm, incredibly lightweight and highly compressible 60-g PrimaLoft® Gold Insulation Eco with 55% postconsumer recycled content, wrapped in a 100% recycled polyester shell and lining. Brick quilting pattern with horizontal quilt lines on side panels stabilizes insulation and uses durable thread for abrasion resistance. Center-front zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort. Two zippered handwarmer pockets have cleanly finished zipper garages; zippered internal chest pocket doubles as a stuffsack with a reinforced carabiner clip-in loop. Drawcord-adjustable drop-tail hem seals in warmth.