The Altra Mont Blanc Carbon and Altra Olympus 275 HiLo are both neutral trail running shoes with maximum cushioning. The Olympus 275 HiLo is 0.4 oz lighter (10.5 oz vs 10.9 oz), costs about $75 less (from $200) and sits higher off the ground (33 mm vs 29 mm heel stack).
Specs side by side
| Spec | Mont Blanc Carbon | Olympus 275 HiLo |
|---|---|---|
| Price | $275 | $200 |
| Rating | 4 / 5 (56 reviews) | 3.9 / 5 (21 reviews) |
| Weight | 10.9 oz | 10.5 oz |
| Heel-to-toe drop | 0 mm | 0 mm |
| Heel stack height | 29 mm | 33 mm |
| Cushioning | Max | Max |
| Support | Neutral | Neutral |
| Surface | Trail | Trail |
| Available for | Men & Women | Men & Women |
Specs and prices from Altra, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Mont Blanc Carbon if…
- you like feeling closer to the ground
- you want the more widely reviewed shoe
Get the Olympus 275 HiLo if…
- you want the lighter shoe
- you want to spend less
- you want more foam under your heel
More comparisons
- Altra Mont Blanc Carbon vs New Balance Fresh Foam X Hierro v9
- Altra Mont Blanc Carbon vs Altra Olympus 7
- Altra Mont Blanc Carbon vs Altra Timp 5 GTX
- Altra Olympus 275 HiLo vs New Balance Fresh Foam X Hierro v9
- Altra Olympus 275 HiLo vs Altra Timp 5 BOA
- Altra Olympus 275 HiLo vs Altra Olympus 7
- Altra Olympus 275 HiLo vs Altra Mont Blanc Speed