Description
Bring the speed to your next training run. With a performance-focused midsole and grippy outsole, you can fly down the trail with confidence. The Mont Blanc Speed has a lightweight and responsive midsole crafted with rim and core construction. Snag some comfort with Altra EGO™ MAX in the rim and get enhanced performance with Altra EGO™ PRO foam in the core. With Vibram® Litebase to reduce outsole weight and Vibram® Megagrip for grip on both wet and dry surfaces, you’ve got help sticking it to any trail. There’s plenty of room to help your toes move more freely, with a secure midfoot and zero drop, so you can move naturally. A sandwiched TPU StoneGuard™ helps with underfoot protection on rocky terrain while a stitch-and-turn collar and tongue construction are designed for lightweight comfort. Looking to add some speed to your next trail run? You know what to do. It says it right in the name!
Details
| Best For | Technical trail running, all-day trail running |
| Heel-to-Toe Drop | 0mm |
| Upper | Ultra-lightweight, breathable |
| Midsole | Altra EGO™ MAX (rim) & Altra EGO™ PRO (core) |
| Outsole | Vibram® Megagrip with Litebase |
| Weight | 10.1 oz / 286.3 g |
| Cushion | High |
| Stack Height | 29mm / 29mm |
| Support | Neutral |
| FootShape | Standard |
In Every Shoe
With a Roomy Toe Box and Zero-to-Low Drop, our shoes are built to keep you comfortable and keep you running.
- Roomy Toe Box: All of our shoes are made with room for your toes, so they’re free to move naturally, with confidence in every foot strike.
- Zero-to-Low Drop: Our Zero-to-Low Drop shoes are built to place your foot in a natural position, with a stable and confident foundation to run on.
How’s It Feel?
| Ride Experience | Fast — designed for confidence, comfort, and efficiency. Fly up rollers and bomb the downhills in a shoe focused on performance. |
| Cushion | High |
| Weight | 10.1 oz / 286.3 g |
| Support | Neutral |
| Stack Height | 29mm / 29mm |
| Heel-to-Toe Drop | 0mm |
What’s It Got?
| Rim+Core Midsole | Comfort + performance in the midsole — the best of both midsoles. Get extra bounce and durability with Altra EGO™ MAX in the rim, and lightweight performance with Altra EGO™ PRO in the core. |
| Vibram® Megagrip™ | Durable + sticky outsole for fierce trail grip — Vibram® Litebase reduces outsole weight, while Vibram® Megagrip provides grip on both wet and dry surfaces. |
| STONEGUARD™ | Underfoot protection from debris — a StoneGuard™ provides underfoot protection over rocks, debris, and tough terrain with a flexible yet firm and stable feel. |
| Natural Fit | Roomy toe box for natural movement — Altra’s signature FootShape™ fit provides plenty of room for toes to move freely, with a secure midfoot. |
Size Chart
All Altra shoes are designed with FootShape comfort to give your toes more room to spread out naturally and address biological differences in men’s and women’s feet.
Sizing
Altra recommends ordering Altra running shoes ½ size larger than a dress shoe.
| CM | U.S.A | U.K. | E.U. |
| 22 | 4 | 3 | 37 |
| 22.5 | 4.5 | 3.5 | 37.5 |
| 23 | 5 | 4 | 38 |
| 23.5 | 5.5 | 4.5 | 38.5 |
| 24 | 6 | 5 | 39 |
| 24.5 | 6.5 | 5.5 | 39.5 |
| 25 | 7 | 6 | 40 |
| 25.5 | 7.5 | 6.5 | 40.5 |
| 26 | 8 | 7 | 41 |
| 26.5 | 8.5 | 7.5 | 42 |
| 27 | 9 | 8 | 42.5 |
| 27.5 | 9.5 | 8.5 | 43 |
| 28 | 10 | 9 | 44 |
| 28.5 | 10.5 | 9.5 | 44.5 |
| 29 | 11 | 10 | 45 |
| 29.5 | 11.5 | 10.5 | 46 |
| 30 | 12 | 11 | 46.5 |
| 30.5 | 12.5 | 11.5 | 47 |
| 31 | 13 | 12 | 48 |
| 32 | 14 | 13 | 49 |
| 33 | 15 | 14 | 50 |
| 34 | 16 | 15 | 51.5 |