Topo Athletic is an American brand that runs relatively small. If you're unsure, you can also look at 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 Topo Athletic Men and Women
CM | EU | UK | US | UK | US |
M/F | M | M | V | V | |
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 | ||
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 |
Topo Athletic | MTN Racer 4 | Trail shoes |
The MTN Racer 4 is built for technical trails and days of climbing. With 33mm of heel cushioning, a redesigned water-resistant sockliner, and a Vibram® Megagrip outsole, this is the shoe for trail runners seeking maximum grip and responsiveness without compromise.
Why you want this:
🧗♂️ Vibram® Megagrip outsole for top performance on rough terrain
💦 FKT insole for quick water drainage and extra resilience
🦶 Spacious toebox for natural toe space
🧵 New upper construction: light and stable, even on technical trails
🌀 Gaiter-ready with improved fastening system
🪶 Lightweight, responsive ZipFoam™ midsole for long-lasting cushioning
Perfect for 🏃♂️⛰️🌧️
- Trails, technical singletrack and mountainous terrain
- Trail runners looking for a comfortable yet fast shoe
- Rainy or wet conditions (thanks to Megagrip!)
Specifications:
- Stack height: 33 mm (heel)/28 mm (forefoot)
- Drop: 5 mm
- Weight: 241 grams (US M9)
- Sole: Vibram® Megagrip
- Midsole: ZipFoam™
- Insole: FKT (Fastest Known Time) water-repellent foam
- Fit: wide toebox
- Gaiter compatible: yes
- Rockplate: no
- Support: neutral
- Damping: high
- Feel: Responsive
A favourite for race day and long training days in the mountains.