The Everest Comfort was specifically designed for outdoor enthusiasts who want more leg room along with the performance of a cold-weather sleeping bag. Chinook uses Invista Thermolite insulation to create this roomy and comfortable sleeping bag. Great for trips in the late autumn or early spring, when the temperature is still below the freezing point. Thermolite by Invista delivers maximum lightweight warmth in extreme conditions. Specifications Color Dark Cyan/Navy Temperature Rating 15 F / 10 C Size 80 12 x 34 Shape Hooded, Rectangular Construction Two layer Outer Shell Soft ripstop nylon Lining Polyester taffeta Filling 1.5 lbs. of Invista Thermolite Hollofil Zipper #5 YKK 2-way Stuff Sack 4-way compression bag Total Weight 4.4 lbs. SOLD QUANTITY 1