One of the warmest sleeping bags in the Chinook product line featuring Invista™ Thermolite® Extreme insulation, ergonomic head gasket and foot box, waterproof/anti-slip HiTex bottom fabric, oversized draft tubes and neck collar for added protection in the most extreme conditions. The Chinook SnugHood™ design gives the best fit around the facial area providing extra comfort while reducing bulk when the draw cord is fully tightened. Available with left or right zippers, and may be zipped together with other compatible bags.

Thermolite® by Invista™ delivers maximum lightweight warmth in extreme conditions.