Teton Mummy Sleeping Bag
- Maximum Height Recommendation: 72 inches
- Occupancy: 1 Person
- Shape: Mummy
- Fill Material Type: Synthetic
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A reasonable lightweight option for backpackers, provided the mummy taper and 20F to 5F range suit the trips being planned.
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ASIN: B007JTLKCCCategory: Sleeping Bags
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Overview
Teton's lightweight mummy bag is rated for 20F and 5F conditions and built around microfiber insulation, aimed at backpackers and hikers who want warmth without a heavy pack.
The seller's own copy calls it the TrailHead Ultralight bag, built to pack down small without losing loft, which is the usual tradeoff with cheaper synthetic fill. A roomy footbox is meant to give feet space to move despite the tapered mummy shape, and hang loops let the bag be stored flat rather than compressed long-term, which helps insulation keep its loft between trips.
- 20F and 5F rating range
- Microfiber insulation
- Roomy footbox
- Hang loops for storage
Who it's for
Suits backpackers and hikers prioritizing pack weight who are willing to accept a mummy taper for the packability. Less suited to campers who want a roomy, non-tapered bag or who car camp and have no reason to save weight.
Pros and cons
- Lightweight for backpacking and hiking
- Microfiber fill compresses well for packing
- Roomy footbox despite the mummy taper
- Hang loops for long-term storage
- Mummy shape has less room than a rectangular bag
- No stated bag weight given
- Warmth tops out at 5F, not a deep-winter rating
Performance notes
Microfiber fill is the reason this bag compresses smaller than a cotton-and-flannel bag of similar warmth, since synthetic microfiber lofts back up after being stuffed rather than staying flattened. The zipper draft tube and roomy footbox are aimed at the two spots where mummy bags typically lose the most heat or feel cramped.
Specifications
| Brand | Teton |
|---|---|
| Dimensions & fit | |
| Maximum Height Recommendation | 72 inches |
| Item Weight | 2.9 pounds |
| Item Dimensions L x W | 87 × 32 inches |
| Capacity & performance | |
| Age Range Description | Adult |
| Construction & materials | |
| Fill Material Type | Synthetic |
| ShellMaterial | Polyester |
| Material | Polyester Ripstop |
| Fabric Type | Microfiber |
| Color | Orange |
| Included components | |
| Unit Count | 1 |
| Included Components | Compression Sack, Sleeping Bag |
| Warranty & support | |
| Warranty Description | Lifetime |
| Other details | |
| Occupancy | 1 Person |
| Shape | Mummy |
| Closure Type | Zipper |
| Sport Type | Backpacking |
| Number of Items | 1 |
| Seasons | All Seasons |
| Additional Features | Compressible |
| Thermal Resistance | 20 watts |
Frequently asked questions
What temperature range is the Teton 20F and 5F bag rated for?
It spans 20F to 5F, positioned as a warm-weather-to-cool mummy bag rather than deep winter gear.
Is it good for backpacking?
Yes, it uses lightweight microfiber insulation and compresses into a stuff sack, which is the seller's stated use case.
How should it be stored between trips?
The bag includes hang loops so it can be stored uncompressed, which helps synthetic fill keep its loft.