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Hands-on Gear Review

Mountain Hardwear Splitter 40 Review

Mountain Hardwear Splitter 70
Price:   $170 List | $126.73 at REI
Pros:  Durable, easy to pack, comfortable, excellent climbing specific features
Cons:  Feels bulky, not optimized for airline travel, limited general travel features
Bottom line:  The Splitter is a go-to bag for anyone heading out on an extended rock climbing trip; it's versatile enough to be a good travel pack for a dedicated climber.
Editors' Rating:     
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Manufacturer:   Mountain Hardwear

Our Verdict

Mountain Hardwear's Splitter 40 is an excellent travel backpack for a rock climber or someone traveling with equipment or tools. It is not a tech savvy backpack for use at the office or an airline optimized pack, but if you're a headed out on an extended rock climbing trip, this pack is an excellent companion. It is super durable, easy to pack with awkward, pokey items (like cams, carabiners, etc.), spacious, and has a collection of pockets and organizational features to keep you sorted at the crag or on a hike. We loved this pack on climbing road trips as well, and found it to be thoughtfully detailed with a few fun surprise features.


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Our Analysis and Hands-on Test Results

Review by:
Lyra Pierotti
Review Editor
OutdoorGearLab

Last Updated:
Thursday
November 17, 2016

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The Splitter is a strong performer in a specific application: rock climbing or activities involving heavy or burly equipment. It is a very rugged backpack that makes sense for some travel needs.

Performance Comparison


Mountain Hardwear Splitter 40 backpack.
Mountain Hardwear Splitter 40 backpack.

Comfort


The Splitter feels like a big bear hug. It is well padded and comfortable, but it does feel bigger on your back than other similarly sized backpacks. The ample padding does come at a cost to ventilation, and we found that our backs got sweaty carrying this pack on warmer days.

The Mountain Hardwear Splitter 40 backpack.
The Mountain Hardwear Splitter 40 backpack.

While the pack feels larger on your back than other packs in this review, it is still adjustable enough to fit a wide range of torso lengths, from 16 to 22 inches, though it may take some time to get it fitting just right, especially for taller-torsoed users.

This pack carries best when the load is evenly distributed throughout the pack, and when the volume is filled out. It distributes weight surprisingly well for a panel loading pack. This differs from a top loading pack which is typically packed carefully so that the heaviest items are concentrated close to your lumbar region. It also means you don't have to cram and stuff your gear in any particular fashion: you can put things in the various pockets, keeping well organized, and zip it up and go--and that is when it will carry most comfortably. A sign of appropriately matched design theories!

This pack was most comfortable when loaded with about 25 pounds of gear, which was reasonable for most climbing days (for which this pack was designed). We tested it up to 45 pounds, at which point the frame buckled, the load sank low over our butts, and it pulled back on our shoulders. For its capacity and its outdoor-specificity, it was not our highest scoring backpack for comfort. The Osprey Farpoint 55, the Osprey Porter 46, and the Kelty Redwing 44 packs, the others in this review with an outdoor-inclined design, were much more comfortable under a range of weights, and event the Minaal eked out one more comfort point for its ability to keep heavier loads closer to your back and thus minimize strain in a much more simple suspension style.

The comfortable though bulky suspension of the Mountain Hardwear Splitter 40 backpack.
The comfortable though bulky suspension of the Mountain Hardwear Splitter 40 backpack.

The Splitter has lots of organization options, but if you load those up, it puts enough weight in the opening panel on the outside of the pack (outside being the side furthest from your body when the pack is on your back), so the bag ends up feeling heavier than Porter 46 with the same load (this is the principle of keeping items closer to your back to easy carrying, as in packing a backpacking pack, so load isn't pulling out and back, thus torquing your torso and pulling down on your shoulders).

Features


The Splitter is a very compartmentalized pack which allows for excellent organization. Users online report that it is a great work bag for outdoor professionals, as it allows you to keep your tools, rescue equipment, first aid kit, etc. organized so you can access it swiftly.

Testing the Mountain Hardwear Splitter 40 backpack on a climbing trip.
Testing the Mountain Hardwear Splitter 40 backpack on a climbing trip.

The hip belt has gear loops, which is a great climbing specific feature. It also has a larger loop inside the pack, protected by a flap of foam, where you can hang your quickdraws or other climbing equipment. There is a loop for an ice axe (not two for ice tools, though you can fit both tools in that single ice axe loop in a pinch). And there is a rope attachment so you can drape your rope over the top of the pack for quick access or for when your pack is loaded up with other climbing gear.

The Mountain Hardwear Splitter 40 backpack is an excellent cragging backpack  and doubles as a decent travel backpack for the traveling rock climber.
The Mountain Hardwear Splitter 40 backpack is an excellent cragging backpack, and doubles as a decent travel backpack for the traveling rock climber.

Overall, this is a decent pack: very versatile. It is popular for all season climbing and backcountry trips, though some of our testers found it to be a bit heavy and cumbersome for use as a technical climbing pack. For another great option for outdoor-inclined travelers, check out the Osprey Farpoint 55.

There is a pocket in the front of the backpack which fits a tablet nicely, but is not ideal for a laptop, as it is a little small and not padded.

The Mountain Hardwear Splitter 40 backpack isn't the best for carrying your laptop  but it works.
The Mountain Hardwear Splitter 40 backpack isn't the best for carrying your laptop, but it works.

And last but certainly not least, the bag comes with a removable tarp, excellent for laying out your rope or climbing gear, but also doubles as a small picnic blanket, emergency rain cover (for you or the pack) and many other uses you might think of.

The removable tarp was  at times  one of our favorite features of the Splitter  whether for a rope tarp or for "extreme picnicking."
The removable tarp was, at times, one of our favorite features of the Splitter, whether for a rope tarp or for "extreme picnicking."

Packing & Accessibility


The capacity of the Mountain Hardwear Splitter backpack: all inside! (The standard set of gear  top  was packed into each bag to compare capacities with an actual load rather than relying on the company's reported volume numbers.)
The capacity of the Mountain Hardwear Splitter backpack: all inside! (The standard set of gear, top, was packed into each bag to compare capacities with an actual load rather than relying on the company's reported volume numbers.)

The Splitter is not technically carry on size, and the shoulder straps and hip belt do not stow, so this is not a pack optimized for frequent airport travel. However, it has less straps than a top loading climbing pack, so it would likely fare better on the airport carousels than a traditional top loading climbing pack.

Along with the Kelty Redwing 44, this pack's side compression straps block the side zippers which means one more step when fully opening the pack for panel loading. This is a minor annoyance, but worth noting.

The Mountain Hardwear Splitter 40 backpack is easy to pack and keeps your gear organized with several pockets and a panel loading design.
The Mountain Hardwear Splitter 40 backpack is easy to pack and keeps your gear organized with several pockets and a panel loading design.

The Splitter has a very organized inner compartment, where you can zip your shoes into one pocket, lunch in another, hang your gear up in the back, and there is still lots of room for a rope and clothing, etc. This organization system makes this pack an excellent "tool" bag, especially if climbing is your gig.

This pack can also be used similar to a top loading backpack by leaving the side compression straps in place and just unzipping the top. That way you can load and go without organizing by dropping gear in vertically.

This pack is similar to the Osprey Porter 46, but it does not pack as easily, and does not seem to gobble up as much gear (the Porter is 6 liters bigger). The features of the Splitter, however, make it a great travel-to-climb pack, while to Porter is a better travel generalist pack, with a lean towards outdoor activities.

Durability


As a climbing pack, it would seem to go without saying that this is a rugged and durable pack. And it certainly is. It is very well made, boasting some of the burliest fabrics in this review. The only hitch is that the shoulder straps and hip belt don't stow away, so this may not be the most airport-baggage-conveyor-belt-proof bag in this review. This is a rugged pack for the type of travel that doesn't constantly need to board airplanes. If you need a pack that performs well for backpacking or other outdoor pursuits but seals up for the baggage carousel, the Osprey Farpoint 55 is a great option.

Weight & Capacity


This pack is on the heavier end of the packs in this review, and it is in the mid- to low-range for capacity. At 40 liters, it is a bit on the heavy end. However, this is largely due to its very durable construction, burly fabrics, extensive organization scheme, and relatively comfortable suspension. If all of these things are worth a few extra ounces, this is a pack that will keep you stoked on many climbing adventures to come. For a lighter travel backpack and simpler pack overall, try the Patagonia Headway MLC.

Best Applications


The Mountain Hardwear Splitter 40 backpack is most at home on a climbing trip.
The Mountain Hardwear Splitter 40 backpack is most at home on a climbing trip.

The Splitter is a great travel pack for those going on climbing adventures. It does not excel at airport conveyor belt travel, nor is it legal carry on size; but it holds a lot of gear, lets you compartmentalize and organize, and is comfortable on your back. It is not a technical pack you'll want to take on a long alpine route, but it is a great pack for approaches and cragging trips. If you're headed somewhere like Southeast Asia for a climbing trip, this would be a great pack.

Value


This is a relatively expensive backpack at $170, but with all of the features, versatility, and excellent durability, if you're in the market for a long lasting pack that will find many applications in your life, especially if you climb a bit, then you're on the right track with the Splitter.

Conclusion


The Splitter did not score very high in our review due in part to the stiff competition, in part to its lean towards climbing specificity, and the trade offs that ensued. As a travel pack for a climber, however, we believe this would be an excellent pack. It is worthwhile to try this pack on before buying it, to be sure the fit will work for you. It is highly adjustable, so spend some time walking around the store with some sandbags and pillows loaded in it to really get a feel for it. Loaded with your climbing gear and a few travel items, we think you'll like this pack and want to take it on your next international climbing trip, or perhaps your next Rocktober - your fall climbing road trip through the desert southwest.
Lyra Pierotti

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Most recent review: November 17, 2016
Summary of All Ratings

OutdoorGearLab Editors' Rating:   
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Unbiased.