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      Mountainsmith
      • SHOP
        • HIKING BACKPACKS
        • EVERYDAY PACKS
      • ABOUT
        • OUR STORIED PAST
        • OUR COMPANY
        • STORE LOCATIONS
      • PASSION
        • FORGED FOR LIFE WARRANTY
        • DESIGN PROCESS
        • FORGED FOR LIFE BLOG
        • PARTNERS FOR LIFE
      Search
      • HIKING BACKPACKS
      • EVERYDAY PACKS
      • OUR STORIED PAST
      • OUR COMPANY
      • STORE LOCATIONS
      • FORGED FOR LIFE WARRANTY
      • DESIGN PROCESS
      • FORGED FOR LIFE BLOG
      • PARTNERS FOR LIFE
      Graphic button for on sale gear available at The Outpost

      Sale Gear at The Outpost

    • BACKPACKS
    • LUMBAR PACKS
    • EVO SERIES
    • TENTS
    • TREKKING POLES
    • GEAR STORAGE
    • PARTS & ACCESSORIES
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    • NEW GEAR
    • THE OUTPOST (SALE)
      • Graphic button for on sale gear available at The Outpost

        Sale Gear at The Outpost

      • BACKPACKS
      • LUMBAR PACKS
      • EVO SERIES
      • TENTS
      • TREKKING POLES
      • GEAR STORAGE
      • PARTS & ACCESSORIES
      • DOG GEAR
      • COOLERS
      • NEW GEAR
      • THE OUTPOST (SALE)

      MAYHEM EVO 30 & 45

      The Swiss Army Knife of Packs

      The MAYHEM EVO - Our jack-of-all trades pack series. Built for serious off trail duty.

      SHOP NOW

      ZEVO 13 & 20

      Blend Into the Wild

      The new ZEVO daypacks - Minimalist perfection for all day pursuits.

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      DAY & TOUR EVO

      Function First Design

      Built for rugged EDC and grueling trail adventures. Lumbar packs EVOvled.

      SHOP NOW

      /collections/all-lumbar-packs
      /collections/backpacks
      /collections/dog-products
      /collections/all-tents
      The Mountainsmith Outpost, a permanent sale location for proven gear at a better, discounted price. Image contains The Outpost logo with a mountain graphic and a background of a hiker's front torso wearing a blue jacket and a Mountainsmith backpack with trekking poles attached to the pack straps.
      SHOP NOW /collections/the-outpost

      Welcome to The Outpost

      The Outpost is where select Mountainsmith gear lives after leaving our main lineup. Find previous year styles, limited colors, and trail tested designs built to our Function First Design standards since 1979. Discounted gear while supplies last. No minimum purchase. Free shipping on orders over $79.

      Sale
      Conifer 5+
      8 reviews
      $224.95 $449.95
      Sale
      Apex 80
      2 reviews
      $149.97 $249.95
      Sale
      2024 Zerk 40 Backpack
      14 reviews
      $112.95 $224.95
      Sale
      Zerk 25 Backpack
      5 reviews
      $94.95 $189.95
      Sale
      Apex 20
      1 review
      from $65.97 $109.95
      Sale
      Day Lumbar Pack
      23 reviews
      $52.95 $104.95
      2024 Andesite Trekking Poles
      13 reviews
      $49.95 $99.95
      Sold Out
      Sale
      Tour Lumbar Pack
      34 reviews
      $47.95 $94.95
      Sale
      K9 Dog Pack
      5 reviews
      $39.95 $79.95



      Hiking with Mountainsmith Backpack - Words We Live By
      /pages/forged-for-life

      WORDS WE LIVE BY

      WE ARE WITH YOU NO MATTER WHAT.


      Team holding Mountainsmith banner - 40 Years of Innovation
      /pages/our-storied-past

      40 YEARS OF INNOVATION

      Let customers speak for us

      from 727 reviews
      Zerk 13 UL Daypack w/2L Bladder
      I really needed an instruction manual

      I'm not a biker but I was searching high and low for a daypack to take on my upcoming group tour of Vietnam. I was struggling to find the right volume of pack. They all seemed either too big (18L) or too small (10L). I had never heard of Mountainsmith. I found my bag brand new with tags still attached at a resale store for about half price. I'm not planning to use the hydration bladder on this trip so I was searching for a tall and kind of narrow front netted pocket for holding my 40 oz Hydroflask during our daily activities. Our tour operator provides us with regular access to filtered water to fill water bottles. In my experience, water bottles always are tipping out of side pockets on backpacks! This one is so perfect and I can support it a bit with the exterior cord. The front chest pockets are amazing and a unique feature for a backpack. I can fit my iPhone 17 Pro Max + case in one and might put some bathroom supplies in the other (tissue, wipes) for easy access. I wanted my phone to be safe from phone snatchers (so not constantly in my hand or hanging out of my pants pocket), but also at the ready, as I take a lot of photos. Those three pockets are what immediately sold me. It took a lot of wrangling, rethinking, and adjusting but I think I finally got this pack to fit correctly on my petite but curvy frame. This backpack is also big enough to take on the plane as my carry on, since I'll be checking my main suitcase. I did a trial packing run and fit a change of clothes/ underwear/ socks/ pajamas in a compression packing cube. I'll be able to fit my device chargers and essential medications and toothbrush as well. Once I'm reunited with my suitcase, I'll keep all that stuff in the suitcase and use the day pack for a sun shirt, hat, sunblock, mosquito spray, water bottle, phone, etc. I wish I could find a really good overview video of the backpack and all its features/ functions/ adjustments (something more detailed than this one) because I’m probably missing something. It would be helpful to see the backpack on a woman’s body, as we are built differently!

      Ashley
      Zerk 13 UL Daypack w/2L Bladder
      04/05/2026
      Strapette EVO
      Great straps

      Great straps, ruggedly built, and very comfortable. Love the pouches for phone, ranger finder, etc. Totally changed the versatility of my evo lumbar pack for scouting and elk archery.

      Casey McFarland
      Strapette EVO
      03/27/2026
      2024 Sidekick
      Well built, roomy

      Well built, versatile access pouch, roomy.

      Casey McFarland
      2024 Sidekick
      03/27/2026
      2024 Andesite Trekking Poles
      Great

      Great poles!

      Anonymous
      2024 Andesite Trekking Poles
      03/26/2026
      Day Lumbar Pack
      Mountainsmiths are always very well made

      Mountainsmiths are always very well made, it's my third bag that I've owned. I only wish this bag had auxiliary loops for tools and accessories on the outside.

      Anonymous
      Day Lumbar Pack
      03/22/2026
      Day Lumbar Pack
      I bought the predecessor of this pack in the 1980’s

      I bought the predecessor of this pack in the 1980’s, loved it used it for a lot of things. Over time, it mostly became a day hike and beach bag until finally giving out around 2010. I was so happy to be reunited with my old friend! It’s the same but better.

      William Morris
      Day Lumbar Pack
      03/20/2026
      Strapette EVO
      Completely changes my Day lumbar pack

      Completely changes my Day lumbar pack. Loved these style shoulder straps on my Zerk 40. Could not be happier.

      John Drake
      Strapette EVO
      03/13/2026
      Mayhem EVO 45L Backpack
      THE go to for high altitude SAR

      This pack is the most versatile pack on the market. Pockets and storage everywhere but nothing gets lost due to the different colored zippers and pulls.
      The blaze orange interior makes it impossible to loose even the smallest item. The strap pockets can hold a marathon bottle, GPS AND radio. The external tiedowns hold trekking polls, snow shoes, and mountain axe perfectly.

      Josh Hopkins, R15 EPCSAR
      Mayhem EVO 45L Backpack
      03/12/2026
      Strapette EVO
      perfect fit

      Awesome addition to the EVO

      Anonymous
      Strapette EVO
      03/07/2026
      2024 Globetrotter
      Called 'em up

      I had the same issue with learning how to assemble the walking support. Ended up calling MtSmith directly for instructions and they kindly answered my questions (this was before the video). Now the video serves as a helpful reminder of the solution. Compact, sturdy support for travel -- highly recommend for the cane handle.

      Don Young
      2024 Globetrotter
      03/07/2026
      Apex 80
      BestValue

      Best Value. Everything I've purchased from Mountainsmith, two backpacks, a plethora of hip bags a varying sizes) have been high quality, durable and at a very competitive price point. The zippers and material on their bags and packs are beefy, a stand up to daily use and abuse. We get outside and use their bags 5 or more times a week and they have stood up the last two years without any issues. I couldn’t be happier with all my purchases from Mountainsmith (and I’m an grumpy old man, so that’s saying something).

      John T.
      Apex 80
      03/07/2026
      Zerk 25 Backpack
      The perfect Camino de Santiago backpack.

      Mountainsmith has built the perfect pack for hiking a Camino route. The only problem is that the hundreds of thousands of hikers that do Caminos every year have never heard of it. I would have used it in 2024 on my last Camino if I had known about it.( I've had the 40L for. years and love it.) It will be what I use for all future Caminos. The generous front pocket, pockets on the shoulder straps and especially the large zippered brain are perfect for this use. Maybe do a product video or put one in the hands of a prominent Camino youtuber to get the word out and this pack can get off the discontinued list. The only thing I'd change is the slide sternum strap. The "t" style would work much better.

      RoadVirus
      Zerk 25 Backpack
      03/06/2026
      Day Lumbar Pack
      One Excellent Lumbar Pack

      The Mountainsmith Day lumbar pack is incredibly versatile. I use it for backcountry skiing in the winter and hiking in the summer, and the first thing I have to say is that it holds a lot of gear.

      When I’m skiing, I can fit an extra down jacket, a vest, gloves, and a neck gaiter. On top of that, it still holds my ski waxes, a first aid kit, two large water bottles, lunch, and other miscellaneous supplies. It all sits comfortably on my waist thanks to the belt system. The four cinch straps (one above and one below the hip on each side) keep the pack snug so it doesn't bounce. It distributes the weight so well that the load feels much lighter than it actually is.

      Another nice touch: the water bottle pockets actually stay open, making it easy to slide bottles in and out on the go. These packs are made of extremely rugged material and last a long time. Plus, they’re backed by a lifetime warranty—I’ve only had to use it once, but it gives me great peace of mind. I can’t recommend this pack highly enough!

      Charlie Stein
      Day Lumbar Pack
      03/05/2026
      Timber EVO
      Multiple Uses

      I ordered the Timber EVO and it arrived yesterday.
      As with all of the Mountainsmith items I have, it is well made and offers a lot of different uses.
      Carrying a concealed weapon will be one of them. My Kimber Micro 9, fits in it in the upright position. The Black patch on the inside panel, in the pictures , is moveable to any position on the inside panel. The strap on it is permanently attached to the black patch and holds the weapon.
      I haven't tried this , YET , but a strap of velcro from the Hardware store should let me make a holder of a spare magazine for the Kimber micro 9. I'm thinking of two , one on each side of the handgun.
      Depending on which weapon ( that will fit ) you want to carry , it can be moved and adjusted to that weapon.
      I can adjust the strap so my Bond Firearms , Grizzle , derringer fits in it. I'm sure several other handguns will also fit in there. There are a lot of differed adjustments that could be made.
      There is an inside zippered ( mesh ) pocket and an outside pocket.
      The outside pocket is where I intend to keep my cell phone when using the pack.

      Chuck L.
      Timber EVO
      03/04/2026
      Remnant Cube
      Great!

      Great!

      Richard DiBaggio
      Remnant Cube
      03/01/2026

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