Zpacks Arc Haul Ultra 60L Review (2026)

Name: Zpacks Arc Haul Ultra 60L Backpack
Brand: Zpacks

Zpacks Arc Haul Ultra 60L uses Dyneema Composite Fabric (DCF) with curved carbon fiber stays that provide a structured, curved frame at sub-2-lb weight. It's the lightest proper load-bearing backpack available — carrying 25-35 lbs comfortably despite weighing less than some water bottles.

The short version

Zpacks Arc Haul Ultra is the go-to ultralight pack for thru-hikers reducing base weight below 10 lbs. We researched carbon frame stability under 30-lb loads and compared it to frameless alternatives.

Who it's for

Buy this if: Thru-hikers with base weights under 12 lbs who want structured carry without traditional frame weight.

Skip this if: Traditional heavy packers — the DCF material is unforgiving with overpacking and the load limit is 35 lbs comfortable maximum.

In practice

DCF Construction

Dyneema Composite Fabric is a laminated sheet material that's both lighter than and stronger than nylon or polyester. It's waterproof (no seam sealing required), puncture-resistant, and ultra-low-weight. The trade-off: it doesn't stretch or conform like woven fabrics, so the pack's shape is fixed — correct sizing and fit are non-negotiable.

What we loved

+ 1 lb 5 oz for a 60L structured pack — nothing competes+ DCF is waterproof and incredibly tear-resistant for its weight+ Carbon fiber arc stays create hip transfer for loads up to 35 lbs

What we'd change

– $600+ — significant investment– DCF doesn't stretch — fit must be perfect; returns are expensive from a direct brand– Limited adjustability vs. traditional packs

Where to buy

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Common questions

Is DCF safe to use in the rain?

Yes — DCF is fully waterproof. No pack cover needed; seams are welded rather than sewn, eliminating the usual leak points.

What's the load limit?

Zpacks recommends 35 lbs maximum. Above this, the carbon stays flex and the hipbelt loses transfer efficiency.

Methodology: Our gear ratings combine manufacturer specifications with aggregated owner feedback and long-term durability reports from verified buyers. We weigh value, packability, durability, and real-world reliability. Ratings are never influenced by commission rates. Last verified 2026-07-03.

Affiliate disclosure: This review contains Amazon affiliate links. If you buy through them, Gear Made Simple earns a small commission at no extra cost to you.

Who it's for

In practice

DCF Construction

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Common questions

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