| Alpha size | S | M | L | XL | XXL |
|---|---|---|---|---|---|
| US – Men's | 6 - 8 | 8.5 - 10 | 10.5 - 12 | 12.5 - 14 | 14.5 - 16 |
| US – Women's | 7.5 - 9.5 | 10 - 11.5 | 12 - 13.5 | 14 - 15.5 | 16 - 17.5 |
| UK | 5.5 - 7 | 7.5 - 9 | 9.5 - 11 | 11.5 - 13 | 13.5 - 15 |
| EU | 38.5 - 41 | 42 - 44 | 44.5 - 46 | 47 - 48.5 | 49 - 51 |
Effective on January 1st 2026, Bulgaria's Euro introduction will use the fixed exchange rate of EUR 1 = BGN 1.95583. Learn more.
Nike x Hyperice Hyperboots
Find your correct size in the chart below.
If you are between sizes, we recommend ordering the larger size for optimal performance of the Normatec dynamic air compression technology.