Don't let the light weight fool you. This jacket is incredibly warm and versatile. The jacket is packable and zips into its own vertical chest pocket, making it the perfect size for stowing in a blind bag, ATV, or boat. It's also water-repellant so you can wear it alone as an outer layer, or under waterproof outerwear when you need an extra layer of insulation. Insulated with 150 grams of synthetic down insulation that's ultralight and has uniform loft throughout for a comfy, cozy warmth.