This oversized , Chinook The Beast, sleeping bag is ideal if you are looking for a rectangular sleeping bag that is rated to -40°C.

The The Beast, sleeping bag features 3.1 kg of Insufil® 4 insulation, with a heavy duty poly-cotton canvas shell.

These rugged oversized multi-season system sleeping bags are a perfect choice for any cold-weather hunting or camping trip. This multi-season system bag can be used as a 4-season single bag, or two individual sleeping bags, or extra roomy zip-together 2-person bag. Features a zippered hood and liner for easy removal and washing.