The ultralight benchmark — 21.7oz with a ventilated suspended-mesh back panel and user-adjustable frame.

Gavler Meta-Score
“The Arc Haul Ultra is the pack you graduate to after you've gone ultralight and realized you want the absolute best. It's expensive, but the combination of weight, comfort, and durability is unmatched. If you're doing long-distance trails and every ounce matters, this is the endgame.”
The Gavler Verdict
Among the lightest framed packs available — carbon fiber frame keeps weight impossibly low.
Waterproof and more abrasion-resistant than Dyneema DCF. Handles trail abuse without the fragility of traditional ultralight fabrics.
Ventilated design keeps your back cool while the adjustable frame transfers weight to your hips.
Near-universal praise from thru-hikers. The price is the only common complaint, but most consider it justified for the weight savings and durability.
Do you think Zpacks Arc Haul Ultra 60L deserves the #11 spot in Best Hiking Backpacks?
Prices checked April 2026
“The ultralight pack to beat. Nothing else combines this weight with this comfort.”
“Ultra fabric is a genuine leap forward in ultralight materials.”
“Editor's choice for best ultralight backpack.”
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