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OMM Classic MOUNTAIN MARATHON 25L

25 Litres / Foam Stiffened Back / Hydration Compatible
Weighs 725g
Code: OC104
  • Now £74.99
  • (FREE UK & EU Delivery)
+ In Stock Now | Usually dispatched within 24 hours
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UOG TOP PICK - OMM Classic 25 - Best for Adventure Racing, Superlight Backpacking and Events - We've singled out OMM's Classic Packs as one of our top recommendations because it offers a superb range of features suited to ultralight backpacking.

OMM says:

Used around the world for Mountain Marathons, Extreme Races, Ultra’s, Biking, Hiking, skiing and many other activities – including ascents to the summit of Everest! The simple, effective design has never been bettered, this is the standard by which all others are benchmarked.

The Mountain marathon has many of the features of the other packs in the OMM range but is made with lighter fabric. The only compromise is therefore durablity over its heavier stable-mates.    

Read reviews here:     
|UOG TOP PICK - OMM Classic 25 - Best for Adventure Racing, Superlight Backpacking and Events - We've singled out OMM's Classic Packs as one of our top recommendations because it offers a superb range of features suited to ultralight backpacking.
Help and advice: Choosing a rucksack at Ultralight Outdoor Gear  
  • LEANWEIGHT chassis
  • UGR – Universal Gear Rail
  • EVA padded shoulder harness
  • Speed opening buckle system for single handed closure and swift access
  • Reflective detailing
  • Zipped top pocket and quick stash top mesh sleeve pocket
  • Two zipped belt pockets
  • Stretch mesh bottle pockets for on the move accessibility
  • Adjustable chest strap with integrated whistle
  • Leanweight MSC Compatible
  • Security Key Clip in top and waist pockets
  • Removable back padding to achieve LEANWEIGHT
  • Duomat works as either a sleepmat or sitpad
  • Hydration bladder compatible – Hydration bladder tube can be routed over or under shoulder
  • OTMA (On the Move Accessibility)
  • Link System compatible – OMM I Gamy and Chest Pouches
  • Active Fit
  • Full Weight: 725g
  • LEANWEIGHT: 540g
  • Capacity: 25 litres
  • Back Padding: Duomat (removable)
  • Pockets: 2 zip Belt, 2 Mesh side, 1 Mesh Front, 2 Flap
  • Compression: Yes, customisable using tabs and hooks on pack plus addition of Leanweight Compression Kit, also full intergrated front mesh compression
  • Back Length: 45cm
  • Fabrics: 210T / HTTF
Showing our 2 OMM Classic MOUNTAIN MARATHON 25L reviews with an average rating of Excellent. Would you like to write a review?
Review Summary - 5 out of 5 based on 2 ratings.
September 17, 2017 | Annette
Great lightweight backpack

I have been very happy with this backpack for lightweight backpacking. Both last year and this year I took it on 18 day backpacking trips around China as well as on a 10 day trip in Europe this year. I have managed to keep total weight under 6kg on all 3 trips which means I can carry it for reasonably long periods in comfort. I am a 5'3" 47 year old female and appreciate the shorter back length of this model. I can fit everything I need for my trips in the 25 litres and also have space for water bottles at the side. My packed bag is within the hand luggage size and weight of all airlines I have used. I also got some lightweight drybags after contents getting very wet on the first trip. I now pack most contents including clothing in the dry bags, which also makes unpacking and packing easier. I can fit in 3 lightweight outfits, small packable waterproof jacket and trousers, sandals, small wash bag, first aid kit, phone and charger, small packable backpack and handbag, a few other little bits and pieces and a liquid bag for flight in top pocket. That's all I need for a trip and it all fits with a bit of space left. It still looks in great condition after the 3 trips it has done and I hope it will last for more to come, but when it eventually falls apart I would be happy to replace it with another.

May 24, 2017 | Kota
I will not shake!

Compact and light

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