TETON Sports

Mammoth Double Sleeping Bag Liner

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$27.19 $39.99 In stock

Your sleeping bag has never been this comfortable and clean. The soft, oversized Mammoth Sleeping Bag Liner, made from cozy and breathable fabric, slips right inside your sleeping bag and secures with Velcro fasteners, instantly adding about 10° of warmth and keeping your bag dry and clean. At 91 x 56 inches, the Mammoth Sleeping Bag Liner is made to comfortably fit Teton’s Mammoth two-person sleeping bags. This liner is machine washable and dryable for easy maintenance, no matter what your outdoor adventures leave you looking like by the time you hit the hay. Shop the Mammoth Sleeping Bag Liner now— it’s perfect for your next adventure.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Ava ★★★★★

Finally found a liner that doesn't feel like I'm sleeping in a tube sock—the fabric is genuinely breathable and the oversized cut means I don't wake up twisted inside it. Slips in and secures cleanly, and I've actually started using it alone on warm nights when the bag itself is too much.

Christopher L. ★★★★★

The oversized fit is a game-changer—I can actually move around at night without the liner bunching up under me. The breathable fabric kept me from overheating during a humid camping trip, and it slips inside my bag in under a minute.

Edward X. ★★★★★

The soft fabric feels noticeably cozier than the cheap liner I used before, and it's plenty roomy for tossing around at night. Slips in and out of the bag easily, no bunching up even after a full week of camping.