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When you want maximum connection to the ground and zero interference, this is the sock you reach for. The Run 1/4 Ultra-Lightweight strips things back to the essentials, delivering a barely-there feel that thrives on fast road runs, gravel grinders and light trail work. Ultra-fine Merino yarns create a smooth, itch-free interface that feels like a second skin, while breathable flex zones move naturally with your foot to reduce fatigue over longer efforts. Added ankle coverage gives a little extra protection without tipping into bulk. Built and tested in Vermont’s ever-changing conditions, these socks are proof that less really can be more — especially when it’s backed by a lifetime guarantee.
| Sock Size | UK | Euro | Men US |
|---|---|---|---|
| M | 7.5-9 | 41-42 | 8-9.5 |
| L | 9.5-11.5 | 43-45 | 10-12 |
| XL | 12-14 | 46-49 | 12.5-14.5 |
Darn Tough socks are covered by an unconditional lifetime guarantee. If their socks are not the most comfortable, durable and best fitting socks you have ever owned, return them for another pair. It's that simple.
If you do want to return a pair, contact us and we'll get that sorted for you.
When you want maximum connection to the ground and zero interference, this is the sock you reach for. The Run 1/4 Ultra-Lightweight strips things back to the essentials, delivering a barely-there feel that thrives on fast road runs, gravel grinders and light trail work. Ultra-fine Merino yarns create a smooth, itch-free interface that feels like a second skin, while breathable flex zones move naturally with your foot to reduce fatigue over longer efforts. Added ankle coverage gives a little extra protection without tipping into bulk. Built and tested in Vermont’s ever-changing conditions, these socks are proof that less really can be more — especially when it’s backed by a lifetime guarantee.
| Sock Size | UK | Euro | Men US |
|---|---|---|---|
| M | 7.5-9 | 41-42 | 8-9.5 |
| L | 9.5-11.5 | 43-45 | 10-12 |
| XL | 12-14 | 46-49 | 12.5-14.5 |
Darn Tough socks are covered by an unconditional lifetime guarantee. If their socks are not the most comfortable, durable and best fitting socks you have ever owned, return them for another pair. It's that simple.
If you do want to return a pair, contact us and we'll get that sorted for you.
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