DESC: Perfect for extreme cold, this Superlight Sleeping Bag offers the best comfort rating (0F) for any sleeping bag outside the top-shelf Expedition Down series from The North Face. It's filled with high quality 600+ goose down fill with special trapezoidal baffles that ensure constant volume and eliminate the chances of waking up to a cold spot. The seven-chamber sculpted hood has a dual-cord adjustment feature that helps seal in the thermal warmth all around your head--even if you opt for not wearing a fleece beanie or cap--and you'll also notice a down-filled face comfort tube. Down around your toes you'll feel a vaulted footbox that enhances the overall ergonomic comfort inside the bag without sacrificing warmth. A No-Snag stiffener in the zipper column helps minimize the chances that your zipper will be hung up along the down-filled draft tube. Whether you climb high or you just need a down-filled sleeping bag that keeps you warmer than the rest, the Superlight feels right on the trai