TETON Sports Celsius XXL -18 Degree C / 0 Degree F Flannel Lined Sleeping Bag (90"x 39", Green) Oversized sleeping bag with 0-degree F / -18-degree C temperature rating SuperLoft elite 4-channel hollow fiber insulation for warmth Right- and left-side zippers let you zip 2 Teton bags together Shoulder and zipper baffles; adjustable mummy hood Interior storage pocket; oxford nylon compression sack