Midweight Merino wool half-calf sock.
67% merino wool, 31 % nylon, 2% Lycra® spandex
| Simms Sock Size | Men's Shoe Sizes | Women's Shoe Sizes | ||
| US | EU | US | EU | |
| S | - | - | 4 - 7 | 35 - 38 | 
| M | 6 - 9 | 39 - 42 | 7 - 10 | 38 - 41 | 
| L | 9 - 12 | 42 - 45 | 10+ | 41+ | 
| XL | 12+ | 45+ | - | - | 
* Not all styles available in all sizes.