When youre layering up its key to pay attention to your core, and the Microlight vest offers just what you need. Lightweight? Check. Warm? Check. Fully recycled materials you can feel good about? Check. All thats left is tossing it on and heading into the mountains. Responsible Collection: Recycled/Repurposed Material: Pertex Quantum ripstop nylon Insulation: 700-fill European goose down (84g, size 12) Fit: slim Length: hip