Altra is an American brand that runs relatively small. If you're unsure, you can also check the US size of your current shoes for comparison.
For the most accurate measurement, make sure to measure your feet at the end of the day, as they can swell towards the end of the day.
Size chart Altra Men and Women
| CM | EU | UK | US | UK | US |
| M/F | M | M | V | V | |
| 22 | 36 | 3.5 | 5.5 | ||
| 22.5 | 37 | 4 | 6 | ||
| 23 | 37.5 | 4.5 | 6.5 | ||
| 23.5 | 38 | 5 | 7 | ||
| 24 | 38.5 | 5.5 | 7.5 | ||
| 24.5 | 39 | 6 | 8 | ||
| 25 | 40 | 6 | 7 | 6.5 | 8.5 |
| 25.5 | 40.5 | 6.5 | 7.5 | 7 | 9 |
| 26 | 41 | 7 | 8 | 7.5 | 9.5 |
| 26.5 | 42 | 7.5 | 8.5 | 8 | 10 |
| 27 | 42.5 | 8 | 9 | 8.5 | 10.5 |
| 27.5 | 43 | 8.5 | 9.5 | 9 | 11 |
| 28 | 44 | 9 | 10 | 9.5 | 11.5 |
| 28.5 | 44.5 | 9.5 | 10.5 | 10 | 12 |
| 29 | 45 | 10 | 11 | ||
| 29.5 | 46 | 10.5 | 11.5 | ||
| 30 | 46.5 | 11 | 12 | ||
| 30.5 | 47 | 11.5 | 12.5 | ||
| 31 | 48 | 12 | 13 | ||
| 32 | 49 | 13 | 14 | ||
| 33 | 50 | 14 | 15 | ||
| 34 | 51.5 | 15 | 16 |
Altra | Mont Blanc Carbon | Trail shoes | <tc>Men</tc>
Description
Description
🚀 Fast, aggressive and built for technical trails.
The Mont Blanc Carbon is Altra's fastest trail running shoe ever – designed for serious competitive runners, ultras, and technical mountain trails. Thanks to the Carbitex™ carbon plate Enjoy explosive propulsion, stability, and extra protection on rough terrain. Add a lightweight dual-density midsole, Vibram® Megagrip outsole, and Altra's signature spacious toe box, and you have a shoe that delivers both speed and comfort.
✅ Key Benefits
- ⚡ Carbitex™ Monoflex carbon sheet: Extra propulsion and stability, without hindering your natural running style
- 🧠 Dual-Foam Midsole: Altra EGO™ MAX for comfort (rim), Altra EGO™ PRO for performance (core)
- 🧗 Vibram® Megagrip + Litebase: Maximum grip on wet & dry terrain, minimal sole mass
- 🦶 Roomy Toe Box &Zero Drop: For a natural walking feeling and optimal toe space
- 🪶 Ultralight upperBreathable, flexible and race-ready
📋 Specifications
| Feature | Value |
|---|---|
| Weight | 309 g (US M9) |
| Drop | 0 mm |
| Stack Height | 29 mm |
| Cushioning | High |
| Carbon plate | Carbitex™ Monoflex |
| Outsole | Vibram® Megagrip + Litebase |
| Midsole | Altra EGO™ MAX (rim) + EGO™ PRO (core) |
| Upper | Ultralight breathable textile |
| Fit | Standard, with spacious toe box |
🎯 Perfect for
Trail runners who want to get the most out of themselves on technical terrain or in ultra races, with a shoe that offers speed, protection and comfort.
🏁 Ready to race down the trails with carbon power at your feet? The Mont Blanc Carbon is your racing weapon.
Delivery time and returns
Delivery time and returns
We ship every business day with DHL. They pick up around 2:00 PM. Delivery in the Netherlands is usually the next day.
In the Netherlands, shipping is free for orders over 50 euros. In Belgium, shipping is free for orders over 100 euros.
We have a 365-day returns policy. Please use our returns form: https://trail.nl/retour
About Altra
About Altra
Altra: The Perfect Shoe for Trail Runners
Altra is known worldwide as the go-to brand for trail runners seeking comfort, performance, and innovation. Altra shoes are designed with one goal in mind: enhancing your natural running experience, both on rough terrain and paved roads.
One of the most distinctive features of Altra shoes is the unique FootShape™ forefoot. This gives your toes more room to spread naturally, providing better stability and comfort over long distances. In addition, all shoes feature a Zero Drop™ platform, which keeps the heel and forefoot level. This promotes a natural gait and reduces the risk of injury.
Altra offers a wide range of trail running shoes, including the popular Altra Lone Peak and the Altra Timp. Both models offer excellent grip and cushioning, ideal for adventurous trail runs on challenging terrain. Whether you're running a short 10K trail or training for a 100K ultramarathon, with Altra you're guaranteed the best support.
Discover Altra trail running shoes and see how they can take your performance to the next level.
Questions about Altra | Mont Blanc Carbon | Trail shoes | Men ?
Questions about Altra | Mont Blanc Carbon | Trail shoes | Men ?
Do you have questions about this product or are you unsure about several models? Feel free to contact us or visit our shop.
- The fastest way is the chat button at the bottom right.
- You can also email us at winkel@trail.nl.
- You can also call us at 020 308 6088.
Payment methods
We accept all common payment methods. These are secure and free of charge.
