Stretch out with the North 49 Big Boy sleeping bag. This roomy oversized bag gives you freedom of movement and has a canvas shell lined with flannel for premium comfort. Rated at -22-degrees Celsius, this bag has siliconized polysoft insulation and an inner neck draft collar to keep you nice and toasty, even on frosty nights. | North 49 Big Boy 6 Oversize Rectangular -22-Degrees Celcius Sleeping Bag - Tan/Black