| Sock Size | Men | Women | Euro |
|---|---|---|---|
| X-Small | 2.5-5 | 4.5-7 | 35-38 |
| Small | 5.5-7.5 | 7.5-9.5 | 38-40 |
| Medium | 8-9.5 | 10-11.5 | 41-42 |
| Large | 10-12 | 12-14 | 43-45 |
| X-Large | 12.5-14.5 | 46-49 | |
| XX-Large | 15-17 | 50-53 |
The Darn Tough Mens Pennant RFL Over-the-Calf sock is built for precision boot fit and peak performance. Its ultra-lightweight, minimalist design offers fatigue-reducing arch support, a no-slip connection, and breathable Merino wool for comfort and durability. All Darn Tough socks are knit in Vermont and come with an unconditional guarantee.
Features
- Cushion: no cushion
- Weight: ultra-lightweight
- Height: knee-high/OTC
- Performance fit for no slipping, bunching or blisters
- Reinforced footbed and Achilles for comfort and durability
- True Seamless™ toe for a smooth, invisible
- Merino wool naturally moves heat and moisture so feet stay warm and dry
- Made Vermont, unconditionally guaranteed
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Tech Sheet
| Sock Size | Men | Women | Euro |
|---|---|---|---|
| X-Small | 2.5-5 | 4.5-7 | 35-38 |
| Small | 5.5-7.5 | 7.5-9.5 | 38-40 |
| Medium | 8-9.5 | 10-11.5 | 41-42 |
| Large | 10-12 | 12-14 | 43-45 |
| X-Large | 12.5-14.5 | 46-49 | |
| XX-Large | 15-17 | 50-53 |
Customer Reviews
The fit is good. The feel is lesser. A touch rough. So, I bought 1 more pair a size up because I’m at 11.5” on my right foot. A little less on the left. I got a LARGE originally. I’m in between sizes I suppose so I’m going to see if this helps. Construction seems top notch regardless the feel. Putting them on and off is extremely easy compared to the Smartwool XL compression running socks I bought after these. Talk about a Herculean effort whoa! Remarkably sheer and extremely fast drying. I washed them by hand already once. My first and favorite OTC ultralight sock so far
