| Ironman Sock Sizes |
| Sock Size |
US Men's Shoe Size |
US Women's Shoe Size |
| S |
N/A |
4-7 |
| M |
6.5-8.5 |
7.5-10 |
| L |
9-12 |
10.5+ |
| XL |
12.5+ |
N/A | Sock Geek Says:
T he original "classic" Ford Ironman Triathlon World Championship running sock! Moderate cushioned-sole. Foot hugging fit. Virtually seamless toe enclosure. Ironman Triathlon logo on the arch. A true classic running sock!
Note: This sock was known for many years as the Ultimax Running Mini Crew

Ironman Running Pro Sock Specs
Sock Fibers:
46% - Olefin 27% - Stretch Nylon 14% - X2O® Acrylic 10% - Stretch Polyester 3% - Lycra Spandex |