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Mammut Monolith GTX Men's Alpine Trekking Boot

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Anthracite Grey
Anthracite Grey
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Retail Price £230.00

Colour: Anthracite Grey
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Great comfort and support with very little weight, for alpine trekking.

The Mammut® Monolith GTX is a very light, very comfortable crampon-compatible alpine and trekking boot.

Constructed using abrasion-resistant velour leather and 'Dropstop' textile, the Monolith GTX is both flexible and supportive, thanks to Mammut's Motion Control technology - the cushioning Hybrid Shell providing good support exactly where it’s needed.

Mammut's Base Fit technology uses free-sliding bands to transfer the force of the lacing to the sole, adapting to the anatomy of the foot and boosting the pressure on the big toe for precision footwork.

Rounding out this full-featured boot are a fully waterproof, highly breathable GORE-TEX® Performance Comfort Footwear membrane, a high-grip Vibram® Teton sole and a fully adjustable 3-zone lacing system.
GORE-TEX® Performance Comfort Footwear

  • Sole: Vibram® Teton, Poro wedge
  • Fabric: Velours Leather 
  • Weight: 1623g (Size 8.5)
  • Insulation value: -20 °C (EN ISO 20344)
  • Board lasted
  • 3 Zone Lacing
  • Asymmetric lacing
  • Mammut® SC Footbed
  • Compatible with Strap-on crampons
  • Last Index Mountaineering Tech
  • Ideally suited to Multipitch Rockclimbing, Via Ferrata, Mountain Hiking, also suitable for Classical Alpinism

See an independent review of these boots here

The Monolith GTX is also available in a women's-specific version, the Mammut Women's Monolith GTX.


Inner: Synthetic, Padded, Breathable
Upper Material: Suede and Synthetic
Waterproof: Yes
Waterproof Technology: GORE-TEX®
Weight Per Pair (g): 1623g
Height: Boot Cut
Sole Type: Vibram®
Stiffness: Firm, for mountain walks over rough ground
Boot Grade: B2 - suitable for C2 or C1 crampons
Ideal Crampon Rating: C2 - articulated crampons

Reviews (9)

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  • 2 out of 5
Rubber rand splitting, 02 June 2014
By copey (Lincoln)
Bought these boots for the winter season, I have worn them twice once in Scotland and once in the lakes and have noticed the rubber rand is splitting all over the toe and heel on one boot, however these boots do fit like slippers and are light.

  • 5 out of 5
Mammut Monolith GTX Men's Alpine, 31 March 2014
By Big Bear
I don't usually write reviews but after 18 months or so of hard wear these boots deserve a mention. With a bit of regular care they still look as good as new. They'e done Cairngorm and Ben Macdui twice to name but a few of their adventures. Comfy since day 1 and very trustworthy. I've considered buying another pair in case they stop making them. The problem is that my existing pair don't show any signs of ever giving up.

  • 4 out of 5
Mammut Monolith GTX boots, 03 March 2014
By Narner (stoke on trent)
Bought these a pair of these in Sept 2012 and spent the first two weeks walking the dog in them to break them in. Neednt have bothered as they were comfortable straight from the off.
Did a few walks in and around Snowdon in them and found them to be very comfortable and supportive even on longer day walks and some scrambles.
They were a pleasure to wear walking all day in the trekking trip that they were bought for in the Himalayas.
All in all a comfortable boot to wear and you do feel the benefit of the motion footbed.
I felt these gave better ankle support than the other boots i looked at the Scarpa XL but try before you buy I felt these were well worth it.

  • 4 out of 5
Mammut Monolith Boots, 25 February 2014
By Steve (Somerset)
Got these on the price promise. Very pleased with them. First took them across the Rhinogs in N. Wales in July when it was VERY WET. Feet stayed dry.
Initially felt a bit cramped in the toes, but some fettling with the laces and a slightly thinner but better footbed sorted that. Have now used them in full winter conditions with crampons. Only walking and easy scrambling but they were great. They'll get a proper try out on some mid grade Scottish climbs next month, but so far couldn't be more pleased.

  • 5 out of 5
Excellent, 04 January 2014
By blaireauchene (Bournemouth)
I bought these as a replacement for my rather tired old Scarpa Mantras (uppers great but the sole worn heavily due to daily wear over 2 years) and I have to say that for what I use them for: Motorcycling, walking, forest work, etc - they handle what I throw at them and they're much lighter than my Scarpas and almost feel like trainers in comparison.

Grip is excellent, comfort is good but could be made better with some insoles like another reviewer suggested.

I am also very happy with these as I did a quick check online when I was in store for a price comparison and found a VERY good price elsewhere and GO Outdoors did the usual of matching plus 10% off. This is why I keep returning as a GO customer despite being able to find the same products cheaper elsewhere, GO always honour their price promise and give great service.

Anyway, these boots are great and look good. Very happy.

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