Dynafit | Ultra Crew Socks | Road Sucks | Trail running socks
Dynafit | Ultra Crew Socks | Road Sucks | Trail running socks - Black Out/Ultra Orange / 35-38 is backordered and will be shipped as soon as it is back in stock.
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Please note: Dynafit has updated their sizing chart. Therefore, there are two size charts.
Shoes Dynafit - Trail series
| Foot length (CM) | UK | EU | US Men | US Women |
| 22 | 3 | 35 | 4 | 5 |
| 22.5 | 3.5 | 36 | 4.5 | 5.5 |
| 23 | 4 | 36.5 | 5 | 6 |
| 23.5 | 4.5 | 37 | 5.5 | 6.5 |
| 24 | 5 | 38 | 6 | 7 |
| 24.5 | 5.5 | 38.5 | 6.5 | 7.5 |
| 25 | 6 | 39 | 7 | 8 |
| 25.5 | 6.5 | 40 | 7.5 | 8.5 |
| 26 | 7 | 40.5 | 8 | 9 |
| 26.5 | 7.5 | 41 | 8.5 | 9.5 |
| 27 | 8 | 42 | 9 | 10 |
| 27.5 | 8.5 | 42.5 | 9.5 | 10.5 |
| 28 | 9 | 43 | 10 | 11 |
| 28.5 | 9.5 | 44 | 10.5 | 11.5 |
| 29 | 10 | 44.5 | 11 | |
| 29.5 | 10.5 | 45 | 11.5 | |
| 30 | 11 | 46 | 12 | |
| 30.5 | 11.5 | 46.5 | 12.5 | |
| 31 | 12 | 47 | 13 | |
| 31.5 | 12.5 | 48 | 13.5 | |
| 32 | 13 | 48.5 | 14 |
Shoes Dynafit - Alpine and Ultra series

Dynafit trail poles

Description
Description
🧦 Protective. Comfortable. Durable.
The Dynafit Ultra Crew Socks – Road Sucks are trail running socks with maximum damping For long distances and intense workouts. Designed to protect your feet when the miles count, with a stable fit and a comfortable foot climate—so you can keep running longer.
Why you should choose these Ultra Crew Socks
🛡️ Maximum damping
Strategically placed padding protects against impact and pressure points during long runs.
👣 Anatomical fit
Left/right design prevents sliding and helps reduce blisters.
🌬️ Effective moisture drainage
Nylon–polypropylene blend keeps your feet dry and comfortable, even during intense workouts.
🧦 Crew height protection
Protects ankles and lower legs, reduces friction and ensures a secure fit.
🏃 Made for long distances
Ideal for ultras and tough training days where comfort is essential.
Specifications
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Type: Trail running socks (crew)
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Usage: Trail running, long distances
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Damping: Maximum
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Fit: Anatomical (left/right)
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Height: Crew
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Material: Nylon–polypropylene blend
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Low: Baselayer
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Gender: Unisex
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Weight: 40 g
Perfect for
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Long trail runs and ultras
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Intensive training blocks
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Runners who want maximum protection
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High-impact, long-duration trails
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Comfort-oriented walking without compromises
The Dynafit Ultra Crew Socks – Road Sucks provide long-lasting comfort and protection for those who want to go far — and keep going far.












