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.
ZEVO 13 & 20
Blend Into the Wild
The new ZEVO daypacks - Minimalist perfection for all day pursuits.
DAY & TOUR EVO
Function First Design
Built for rugged EDC and grueling trail adventures. Lumbar packs EVOvled.
The Holidays Aren't Over Yet
Mountainsmith's Year End Sale 2025!
20% off the entire Mountainsmith lineup*, but only until Dec 31st,11:59 PM (MST). Built for high-mile days, off trail adventures, and mission-focused carry, this is your last chance for new gear at the end of the year.
20% Off Discount Will be Applied to Cart at Checkout.
No minimum purchase necessary. FREE SHIPPING on all orders over $79.
*Does not apply to currently discounted products, closeout items, or gift cards.
FUNCTION FIRST DESIGN - SINCE 1979.
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WORDS WE LIVE BY
WE ARE WITH YOU NO MATTER WHAT.
BE PART OF OUR DESIGN PROCESS
40 YEARS OF INNOVATION
Let customers speak for us
from 675 reviews
I'm sold. Lots of pockets, designed for on-the-move access to essentials, and when you need to get into the main storage area boom, open the clamshell and your into all of it. So important when you're operating under extreme conditions and every moment is critical.
Fast and efficient online sales and shipping
Excellent product as always.
Amazing
Perfect for the little things
Durable convient to pack and the size is just right for many applications from travel to home. Works great for family individual emergency go bags
love the harness - have used this on a number of other packs - pockets are great, would love to see this as a 30L overnighter for light weight UL packers
Makes the pack really versatile with the strap storage pockets.
Perfect pack for the hunt.
All the right features in all the right places paired with a quality harness/belt system to make all day adventures comfortable. My go to piece. Would be great to have a smaller hip belt option though.
An incredibly useful accessory wouldn't go without it.
Had a Mountainsmith hip pack in my twenties and loved it traveling or when hiking in California back then. Fast forward thirty years, same great quality and one of the few products if any that have improved with time! Love it so much got them for all my kids
Great bag for EDC. I carry it every day. Holds all of my essentials.
I am obsessed with bags. This mighty little bag is deceptively useful. I wish there were more material and color options. I use this as a daily for my essentials. Carries well for a 260 lb 6 ft male as a crossbody and hip pack-easy to switch between the two. Love the low profile and extras. Extras to me are the key strap in the front pocket, rear hidden pocket for a handkerchief, inside zipper pocket holds a carabiner and notepad and brass pen. The carabiner can be attached to the top loop to carry small sacks or a nano bag.
I will always have a spare available cannot operate without this bag.
I have the Zerk 40, but don’t always need the extra carrying capacity. The Zerk 25 is ideal. Well fitting with great features. Comfortable. Will likely not get to use it until the Spring, but having used the Zerk 40, my guess is that I will be pleased with this purchase.
Nice size.Well insulated. Solid zipper
