Gearnalysis

Mountain Hardwear Specter 15F vs. Western Mountaineering Apache MF

Two sleeping bags worth lining up side by side. Both are solid; the right one depends on the specs you care about most.

Mountain Hardwear
Specter 15F
85GearScore
Down · Bag
wins 1 spec
Check price at REI
Western Mountaineering
Apache MF
65GearScore
Down · Bag
wins 3 specs
Mountain Hardwear Specter 15FWestern Mountaineering Apache MF
GearScore85✓65
Comfort rating25 °F25 °F
Weight2 lb 4.4 oz32.0 oz✓
Warmth-to-weight4.4 /100g5.0 /100g✓
Packed size6.5 Ln/s
Fill power800 FP850 FP✓
Price$720n/s
FillDownDown
StyleBagBag
ShapeMummyMummy

Highlighted cells mark the better spec: Specter 15F in blue, Apache MF in amber. A blank spec is never counted as a win. A lower comfort rating in °F means a warmer bag, so the warmer bag takes that row. GearScore is the overall rating (0 to 100); re-weight it on the full bag comparison. Prices are current MSRP.

The Mountain Hardwear Specter 15F and Western Mountaineering Apache MF take different routes to the same job. The Specter 15F wins on balance, and the Apache MF pushes back on low weight and warmth-to-weight.

The Apache MF is 4 oz lighter, stronger on warmth-to-weight, and higher fill power (850 vs 800). On the default GearScore the Specter 15F leads 85 to 65.

Pick the Specter 15F if you care most about the overall package. Pick the Apache MF if low weight and warmth-to-weight matter more to you, or you are focused on counting grams on long miles.

Common questions

Which is lighter?

The Western Mountaineering Apache MF. It is 4 oz lighter than the Specter 15F.

Which has better warmth-to-weight?

The Western Mountaineering Apache MF. It is stronger on warmth-to-weight than the Specter 15F.

Which has the higher GearScore?

The Mountain Hardwear Specter 15F, 85 to 65 on the default algorithm. You can re-weight the factors to match your trip.

Specter 15F or Apache MF, which should you buy?

It depends on your priorities. Go with the Specter 15F for the overall balance, or the Apache MF for low weight. The spec table above shows exactly where each wins.