Patagonia Micro Puff Zip VestThe Patagonia Micro Puff Zip Vest is a versatile piece of clothing that offers exceptional warmth and comfort. This vest is designed with a unique synthetic insulation, which mimics the structure of down to provide excellent heat retention, even when wet. The outer shell is made from ultralight poly ripstop fabric, which is water resistant, windproof, and treated with a DWR (durable water repellent) finish to withstand various weather conditions. The