Our burliest expedition bag to date, the Cinnabar will quickly become your best buddy whether summitting 8000m peaks in the Himalayas or trekking across Antartica on a self-supported mission. Built with a superlight, high-tear strength shell, insulated with 850 fill power DownTek™ water-repellent down, and designed with body mapped, thermally efficient baffles, this bag has your back (and all other body parts) when conditions make that a necessity.