Arc Haul Ultra 60L Backpack
I’m on the Appalachain Trail right now for the last 30 days and am 100% happy so far. Awesome pack. Probably best on trail.
Long days between resupplies requires a pack designed with ample space and durability. Made from Ultra 100X material, the ultralight Arc Haul Ultra backpack is innovatively designed to be a true workhorse from the Sierras to the Shenandoah.
Comfortably transfer your pack’s weight to your hips with our custom Curved Carbon Fiber frame system. The frame also creates a gap between your back and the pack allowing for air flow that helps keeps you cool.
Featuring adjustable shoulder straps, an interchangeable belt, and a variety of optional modular add-ons, the Arc Haul Ultra will allow you to tackle those long days on the trail with a durable ultralight backpack designed to fit you.
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- Ultra fabric features a woven Ultra High Molecular Weight Polyethylene (UHMWPE) face fabric laminated to a waterproof backing. Ultra fabric boasts extremely high abrasion and tear resistance and is the strongest fabric we offer.
- Ultra fabric is not coated with DWR or other chemicals and is PFAS free.
- Curved Carbon Fiber Air Stays combined with a Lycra back panel create a gap between your back and the pack. The air gap helps keep your back cool while also preventing items from rubbing against you while hiking.
- Roll-top closure (like our dry bags) keeps water out, and lets you roll down the top as your gear load shrinks. All seams and attachment points are taped, making the pack highly water resistant. We still suggest using dry bags for your important items like your sleeping bag.
- Comfy 3/8" thick by 2.75" wide padded contoured shoulder straps and padded belt. Both the straps and the belt have a daisy chain for clipping on items, and an adjustable position sternum strap is also included. The belt and shoulder straps have 3D mesh on the underside. This gives them a little bit more cushion, and the belt also has more texture for better grip.
- Side pockets are sized to fit 1 or 1.5 liter bottles, or 2L soft bladders. They are positioned low on the pack and slanted forward for easy access without removing the pack. The pockets have drainage holes at the bottom, and elastic that keeps them tight at the top.
- Large stretchy mesh center pocket is great for quick access items. Mesh also lets you dry wet clothing and gives you a clear view of your gear.
- Side compression straps are made from non-stretchy Dyneema® cord for squishing down the pack volume. They also allow you to stand tall items like trekking poles or an umbrella in the side pockets.
- A top strap, and base straps allow you to lash on extra items to the top or base of the pack. The straps come off if you don't need them.
- The 60L pack size has enough space for 5-6 days of food and ultralight gear. The pack can be compressed down with the roll top and side compression straps for short trips or use the top strap and base straps to lash extra stuff to the outside for long carries.
- A drinking tube can be threaded out the corner of the roll top closure and secured with the daisy chain on the shoulder strap.
- All standard Bear Canisters, including the Bearikade Expedition and the BearVault 500 will fit in the upper half of this pack standing on end. There is enough extra girth to either wrap a foam pad around the canister (if you use one) or stand a medium stuff sack vertically beside the bear canister.
- The short and medium size frames will fit into an airplane overhead bin with the top rolled down to the frame. The tall size frame may not fit unless you pop the vertical frame bars out of the pack.
- Our torso height adjustment mechanism is is covered by US Patent No. 9,848,687
- All Zpacks gear has a two year limited warranty against defects in materials or workmanship. Please see our return / warranty policy.
- Made in the USA.
- Our ultralight Curved Carbon Fiber Air Stays keeps the pack stiff so that most weight is carried on the hips instead of the shoulders. The frame pieces and Lycra back panel can be easily removed or replaced.
- The frame is curved to allow air flow and keep your back cushioned from the pack's contents.
- The belt is attached directly to the bottom of the pack frame for the best load transfer.
- The belt is removable and interchangeable. If you lose weight or need to share the pack between people the belt can be swapped out. Watch the belt removal video here.
- The shoulder straps and load lifter straps are attached directly to the frame. Load lifters straps come standard on this pack.
- The shoulder straps can move up or down to adjust the torso height to a perfect fit using our patented torso adjustment mechanism. It works like a conveyor belt. This is great for sharing the pack between people, for growing teenagers, or for resale.
- The belt provides a full wrap around your back. No need for additional lumbar support.
- The belt is done with "V-Style" webbing so that the top and bottom circumference can be adjusted independently. This helps wrap your hips much more securely, and prevents the belt from sliding down.
- Collectively, these features provide the additional load transfer necessary for loads up to around 40 lbs (18 kg).
Load Capacity: 40 lbs (18kg)
Body dimensions: 8" x 12.5" x 29" (20 cm x 31.8 cm x 74 cm)
Volume: 60L (47L main body, 2.5L each side pocket, 8L center pocket)
Frame Height: Short 17" (43 cm), Medium 20" (51 cm), Tall 23" (58 cm)
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3.3oz/sqyd Ultra 100X Ultra 100X is composed of a woven 100 denier Ultra High Molecular Weight Polyethylene (UHMWPE) face fabric laminated to a waterproof lining. Our 2nd generation fabric has a 50% thicker, more durable .75 mil laminate. It has an "X" grid on the interior to add bias strength. The fabric is fully waterproof and has extremely high tear and abrasion resistance. Our Repair Tape and Adhesive products stick extremely well to the interior of this fabric. Weight: 3.3 oz/sqyd (112 g/m²) Tear Strength: 69.4 lbs. warp; 89.6 lbs. fill Water Resistance: >20,000 mmH₂O |
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3.5 oz/sqyd Mesh This is the mesh that we use on our backpack's center pockets. It has a relatively light weight for mesh, while being difficult to tear. It can withstand getting caught on branches and other typical abrasion that backpacks are subjected to. The hole size is a about 4 mm (a little over 1/8"). Weight: 3.5 oz/sqyd (119 g/m²) |
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5.0 oz/sqyd Lycra® Mesh This mesh provides a superb 4-way stretch and is a great choice for mesh back panels. It has a relatively light weight for mesh, while being difficult to tear. Weight: 5.0 oz/sqyd (169.53 g/m²) |
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5.3 oz/sqyd 3D Spacer Mesh This mesh has a three-dimensional structure which allows airflow and adds cushioning. We use it on the underside of our backpack's shoulder straps and belts to absorb sweat, add cushion, and add grip. Our 3D mesh weighs less than most other types. Weight: 5.3 oz/sqyd (180 g/m²) Thickness: About 3/32" (2.5 mm) |
Torso Height:
To measure your torso height, you will need the help of a friend and a string or cloth tape measure.
Most hikers wear their belt near the top of their hips, however, it isn’t uncommon for hikers to position their belt higher or lower.
To ensure you lock in the perfect fit, we suggest putting a belt on over your clothes in the spot where you’d like to belt to ride. Start your measurement at the center of the belt where it meets your spine.
Lower your chin towards your chest. This will cause the C7 vertebrae to protrude at the base of your neck. The C7 vertebrae will mark the top of your torso height measurement.
Using the string or cloth tape measure, follow the curve of your spine up from the center of your belt to your C7 vertebrae. This measurement is your torso height.
Belt Size:
The padded portion of the belt is 1" shorter than the listed minimum adjustment. For example a "Medium (30-36 inches)" belt has padding which measures about 29" tip to tip, and has a minimum adjustment circumference of 30". It is the recommended size if your actual measurement is up to 36" however the webbing extends further.
To measure your belt size, pull a string or cloth tape measure tight around the spot you’d like your belt to ride. Choose a belt with a minimum adjustment of a couple inches smaller than your actual waist measurement. This will leave room for you to tighten down the belt if you lose a little weight on trail.
The belts on our Arc Series packs are also removable and interchangeable. This will give you the ability to switch the belt out if your waist size changes or if you order the incorrect size by mistake.
Arc Haul Add-Ons
Multi-Pack
Really appreciate the ability to carry it different ways and to carry it alone on days in town. Saves much time and aggravation as you can get to most things you need during your hike when carried on your chest.
This versatile four-in-one backpack accessory is one of our most popular items. The ability to choose between four different configurations helps make the Multi-Pack the perfect companion for just about any adventure.
Need a spare set of Multi-Pack straps? Click here.
Check out more of our Backpack Add-Ons.
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