For those who prefer a traditional style sleeping bag, here it is. The Kodiak Canvas +30° (Fahrenheit) Rectangle Sleeping Bag, available in two sizes . Keeping true to our Kodiak Canvas standards, this bag is constructed with premium materials. This bag features a rugged 100% cotton canvas shell, and a soft 100% cotton flannel liner. The warm Factor 4™, hollow, poly-fiber, insulation is light and fluffy. The locking zipper stays put until you tug on the zipper pull. This keeps the bag from unexpectedly coming unzipped in the night. A zipper at the foot of the bag allows you to vent the bottom when needed. Zip two of these bags together for an oversized bag ideal for two. Roll up the bag and secure it with handy compression straps and snap buckles. A canvas carry bag is included. The Small/Medium size sleeping bag will comfortably accommodate sleepers up to 5 ft 10 inches tall and 220 lbs. The Large size sleeping bag will comfortably accommodate sleepers up to 6 ft 4 inches tall and 290 lbs. Features: Size: Small/Medium 34 x 75 inches, Large 36 x 80 inches 30°F Temp rating Traditional rectangular shape 100% Cotton canvas shell / water resistant 100% Cotton flannel liner / yarn dyed Heavy-duty locking zipper Zipper at feet Zip-together feature. Zip two sleeping bags together to make a large bag for two Factor-4™ insulation. Compression straps with snap buckles Canvas carry bag Pack Weight: 7.2 lbs. (Small/Medium), 9.5 lbs. (Large) Product and Safety Warnings California residents see Prop 65 WARNINGS