Experience extreme cold-weather comfort with the 0°F Glacier Sleeping Bag, one of the warmest bags available. Packed with 3.1 pounds of Poly-Therm hollow synthetic insulation, it maintains crucial warmth even when wet – a lifesaver in harsh conditions. The double-layer construction features a rugged waterproof polyester diamond ripstop shell that reduces noise during movement, paired with a soft polyester pongee lining for luxurious comfort. An insulated draft collar traps body heat while smooth-sliding taped zippers ensure easy operation in freezing temperatures. The built-in chest pocket keeps essentials within reach, and the included compression sack makes transport manageable despite the bag's substantial insulation. Measuring 86" x 34", this sleeping bag provides generous room for comfortable sleep down to zero degrees. Whether you're winter camping, mountaineering, or preparing for unpredictable weather, the Glacier delivers reliable warmth without compromise. Its synthetic insulation's ability to perform when wet makes it ideal for humid environments or unexpected moisture, ensuring you stay warm when it matters most.