Patagonia Nano Puff Vest offers lightweight, compressible insulation for core warmth and easy layering. Built for travel and outdoor use, it balances warmth with packability for varied conditions. Key attributes: Blue | Blu | Polyester ripstop | Insulating | Wind-resistant | Water-resistant (DWR finish) | Lightweight and packable | Center-front zipper with interior storm flap | Zippered hand pockets | Internal chest pocket that stuffs into a pocket with carabiner loop | Drawcord-adjustable hem | Brick quilting pattern | Stand collar | Sleeveless | Dimensions & fit: Regular fit | Composition & care: 100% polyester (shell) | 100% polyester (lining) | PrimaLoft Gold Insulation (60 g, polyester) | Machine wash cold, tumble dry low.