The Patagonia Nano Puff Vest is lightweight, highly compressible and filled with Primaloft Gold. A warm, windproof and water-resistant vest that is ideal for keeping your core warm, no matter what the weather is doing. This makes it perfect for all year round and multi sports use. The inner and outer are constructed from a lightweight recycled ripstop polyester that benefits from being DWR treated so it will keep you protected from the wind and rain. The PrimaLoft Gold Insulation Eco is the most thermally efficient synthetic insulation available. Water-repellent, lightweight and highly compressible and it will maintain your warmth even if it gets wet. Brick quilting pattern with horizontal quilt lines on the side panels of the vest stabilizes the insulation and durable thread is used for added abrasion resistance. The main zip has an internal wicking storm flap and features a chin guard for added wearer comfort. The zipped hand pockets feature garages and to keep items safe in there is an internal zipped chest pocket. This also doubles as a stuff sack and features a carabiner clip-in loop so the vest can be carried on the back of a harness or pack. Sealing out the wind and trapping in warmth the vest has an adjustable drawcord with a drop-tail hem, providing a bit of extra protection from the elements. Patagonia Nano Puff Vest Features 20D Polyester RS with DWR & 22D Polyester RS with DWR liner 60g Primaloft Gold Insulation Eco Brick quilting pattern with horizontal quilt lines on side panels Main zip with interior storm flap and chin guard 2 low bulk zipped hand warmer pockets Adjustable draw cord hem Fit:Regular Weight:227g Patagonia Nano Puff Vest