Mountainsmith
Mountainsmith Zerk 40
The Zerk 40 is Mountainsmith's ultralight entry, using a recycled Extreema ripstop and a removable frame sheet so it can run framed or frameless. At 51 L of measured volume for a 40 L badge it is one of the more honest under-claimers in this catalog.
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Specifications
What do these specs mean? →Features
Pros
- ✓The removable frame sheet means one pack covers both framed and frameless use.
- ✓51 L of measured volume against a 40 L badge is unusual -- most packs here measure well under.
- ✓210D recycled Extreema ripstop is a tough woven fabric that repairs easily.
- ✓$225 is mid-range for the segment and below most cottage packs of similar volume.
- ✓Mountainsmith is a mainstream brand, so returns and support are simpler than cottage brands'.
- ✓1 lb 13 oz is competitive with dedicated ultralight packs.
- ✓Hipbelt pockets included.
- ✓Widely available rather than made to order.
Cons
- ✗No published maximum load figure.
- ✗A removable frame sheet is less effective at load transfer than stays or a hoop.
- ✗No adjustable torso.
- ✗Not waterproof, unlike the laminate packs at this price.
- ✗Mountainsmith has less ultralight credibility than the cottage brands it competes with.
- ✗The 40 L badge understates the pack, which makes cross-shopping confusing.
- ✗Fewer configuration options than a made-to-order pack.
- ✗Limited presence on long trails, so fewer real-world reports.
Common Questions
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