Warm, windproof and highly compressible, a lightweight vest with abrasion-resistant quilting is an ideal warmth-adding second layer or a perfect top layer for high-output activities. A DWR (durable water-repellent) finish helps the ripstop shell shed moisture. Style Name:Patagonia 'Nano Puff' Insulated Vest. Style Number: 5228967_3. Available in stores.