Don't let its lightweight design fool you—the Nano Puff® Vest's streamlined cut packs a warm, functional punch. Ideal worn as an outer layer in milder temperatures or as a mid layer in cold weather conditions. Regular fit is relaxed, but not sloppy, and perfect for everyday activities. Ultralight recycled polyester ripstop creates a windproof, water-resistant barrier. Deluge® DWR, Patagonia®'s proprietary fabric finish, repels water and lasts substantially longer than standard DWRs. PrimaLoft® One insulation is compressible, breathable, and offers superior water repellency so you remain dry, warm, and comfortable even under the most extreme conditions. Unique quilt pattern keeps insulation in place. Stand collar extends protection. Full-zip front closure with zipper garage and interior wind flap. Two zip hand warmer pockets. One interior zip pocket. Drawcord hem keeps the cold out. Vest can be packed in the interior zip pocket for easy portability. Shell & Lining: 100% recycled polyester. Insulation: 60g PrimaLoft® One 100% polyester. Machine wash cold, tumble dry low. Imported. Measurements: Length: 24 in. Length: 24 in. Product measurements were taken using size SM (Women's 4-6). Please note that measurements may vary by size.