Head-to-head · Best Backpacking Sleeping Bags

Mountain Hardwear Phantom 30 vs REI Co-op Trailmade 25

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

Verdict is reader-supported. As an Amazon Associate we earn from qualifying purchases. Some links on this page are affiliate links — if you click through and buy, we may earn a small commission at no extra cost to you. Our ratings are sourced from independent publications, not sponsors.

The short answer

Mountain Hardwear Phantom 30 comes out ahead by a clear margin (4.4 vs 3.8). The gap is mostly about ultralight backpackers seeking warmth — read the strengths below before deciding.

Higher ratedRanked #1 in Best Backpacking Sleeping Bags

Mountain Hardwear Phantom 30

4.4

4 sources3 derived$579.99as of Jul 31

The Mountain Hardwear Phantom 30 earns its praise on warmth-to-weight: 850-fill down, 10 ounces of it, stacking up four inches of loft. Reviewers found it holds around freezing and a little below, packs down small, and comes with an adjustable hood and draft collar. Cold sleepers and anyone heading into extreme conditions should skip it. Ultralight backpackers balancing weight against warmth are the fit.

Strengths

— Excellent warmth-to-weight ratio due to 850-fill down
— Four inches of loft from 10 ounces of down fill
— Adjustable hood with even face gasket closure

Watch-outs

— Limited space for larger or wider users
— Not suitable for extreme cold conditions

$579.99 · Check Price on Amazon Full review →

Ranked #4 in Best Backpacking Sleeping Bags

REI Co-op Trailmade 25

3.8

4 sources

Value and size range are the REI Co-op Trailmade 25's calling cards, which makes it a good first bag or a good answer if standard cuts never fit you. Reviewer Ian Graber-Stiehl found the moisture-resistant synthetic insulation holds up to its 25°F comfort rating and rated the regular size well for average builds, but flagged the bulk and a zipper that snags. Six options cover short, short wide, regular, regular wide, long, and long wide. Casual campers and backpacking newcomers who value fit and price over ultralight weight should look here.

Strengths

— Excellent value for budget-conscious backpackers
— Insulation handles moisture well and performs to comfort temp rating
— Long upper/lower zips offer easy ventilation

Watch-outs

— Lower zippers prone to snagging
— Bulky design with significant packed volume

Buy at rei.com Full review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Mountain Hardwear Phantom 30

Unlike the REI Co-op Trailmade 25, which prioritizes value and sizing inclusivity, the Mountain Hardwear Phantom 30 focuses on exceptional warmth-to-weight ratio with its 850-fill down, making it superior for ultralight backpackers. While the Western Mountaineering MegaLite offers more spaciousness and lighter weight, the Phantom 30 provides a better balance of warmth and packability for moderate conditions.

REI Co-op Trailmade 25

The REI Co-op Trailmade 25 stands out for its budget-friendly pricing and excellent sizing inclusivity, unlike the more expensive Western Mountaineering MegaLite. While the Mountain Hardwear Phantom 30 offers better warmth-to-weight, the REI bag provides superior value and fit for beginners and casual campers who don't prioritize ultralight performance.

Specs side-by-side

Spec	Mountain Hardwear Phantom 30	REI Co-op Trailmade 25
Temperature Rating	30°F/-1°C	25°F
Fill Power	850	—
Weight	1 lb 6 oz/624 g	3 lbs., 4.6 oz.
Insulation	—	Recycled polyester
Shell Fabric	—	Recycled polyester
Packed Volume	—	9.4 L

← See the full ranking of best backpacking sleeping bags