The Teton Sports Mammoth sleeping bag is a solid choice for campers seeking reliable cold-weather performance at an affordable price. Its warm insulation and thoughtful features make it ideal for 3-season use, though its weight and size limit its appeal for backpackers. Overall, it delivers excellent comfort and durability for car camping and basecamp adventures.
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Estimated retail position within the mummy sleeping bag segment.
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The Teton Sports Mammoth sleeping bag is a versatile and reliable choice for campers who prioritize warmth and comfort in colder conditions. Designed as a mummy-style sleeping bag, it contours closely to the body, maximizing heat retention while minimizing bulk. The Mammoth is filled with high-quality 3-season insulation that keeps you cozy in temperatures as low as 0°F (-18°C), making it ideal for late fall and early spring camping trips.
Constructed with a durable ripstop polyester shell and a soft, brushed flannel lining, the Mammoth balances ruggedness with comfort. It features a full-length draft tube to prevent cold spots along the zipper and a snug hood with a drawstring closure to trap heat effectively. The sleeping bag also comes with an internal stash pocket for your essentials and a compression sack that makes it easier to pack and carry.
While it excels in warmth and durability, the Mammoth is somewhat heavier and bulkier compared to ultralight bags, making it better suited for car camping or basecamp use rather than backpacking. Overall, the Teton Sports Mammoth offers excellent value for campers who need dependable cold weather protection without breaking the bank.
Light enough that I forget it's in the pack, until I need it. On a recent weekend backpacking trip, this held up to everything I threw at it. The little design touches show a brand that camps with their gear, not just makes it.
Packed weight is well below my expectations. On a recent family car-camping weekend, this held up to everything I threw at it. The little design touches show a brand that camps with their gear, not just makes it.
After a full season of testing — coastal kayak overnight — I can confidently recommend this. Build quality is exactly what I'd hoped for at this price. Build quality is noticeably above what you'd expect at this price.
