Arc Haul Ultra — every configuration on one page. Choose capacity (40L / 50L / 60L / 70L), color, torso height, shoulder straps (Standard or Vest) and hip belt size. The price includes the pack body, one pair of shoulder straps and one padded hip belt.
Long days between resupplies require a pack designed with ample space and durability. Made from Ultra 100X material (Lilac and Tropical Teal add a panel of Ecopak EPX 200 for a splash of color), the ultralight Arc Haul Ultra is innovatively designed to be a true workhorse from the Sierras to the Shenandoah.
Comfortably transfer your pack’s weight to your hips with the custom Curved Carbon Fiber frame system. The frame also creates a gap between your back and the pack allowing for air flow that helps keep you cool.
Interchangeable shoulder straps (Standard or Vest) and interchangeable padded hip belt (S / M / L / XL) — slide in and clip secure
Adjustable torso height: Short 16-19", Medium 19-23", Tall 23-26" (US Patent No. 9,848,687)
Roll-top closure, side pockets sized for 1-1.5L bottles, large stretchy mesh center pocket, Dyneema® cord side compression, removable top and base straps
Bear canister compatible: BearVault 500 and Bearikade Expedition stand upright in the upper half of the pack
Vest Straps add stretchy bottle pockets, a stow pocket, a zippered pocket and dual sternum straps (+฿2,000 over Standard Straps)
Made in the USA
Capacity guide
40L — 3-4 days of food · body 5" x 12.5" x 29" · 28L main body + 2L side pockets + 8L center pocket · about 566 g
50L — 4-5 days · 6.5" x 12.5" x 29" · 37L + 2.5L side pockets + 8L center pocket · 577-589 g
60L — 5-6 days · 8" x 12.5" x 29" · 47L + 2.5L side pockets + 8L center pocket · 592-606 g (EPX colors 639 g)
70L — 7-10 days · fits some full-size bear canisters horizontally · 603-621 g
Load capacity 40 lbs (18 kg). Short and medium frames fit in an airplane overhead bin with the top rolled down. Looking for women-specific shoulder straps? See Zpacks Women’s Arc Haul Ultra.