
The Union offers versatile high performance control and comfort to riders everywhere. Inside the boot our L2 liner with Reinforced Liner Lace Hooks and Ajax Bars work together to reduce foot movement and eradicate heel lift. On the outside our Flex Window Shell construction provides excellent flex and support, while the Tongue Pull Strap, Ultra Hook and Power Strap all work to ensure a perfect fit and superior performance.

| US MEN | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 |
|---|---|---|---|---|---|---|---|---|---|---|
| EU | 40 | 40.6 | 41.3 | 42 | 42.6 | 43.3 | 44 | 44.6 | 45.3 | 46.6 |
| MONDO | 260 | 265 | 270 | 275 | 280 | 285 | 290 | 295 | 300 | 310 |