Fox Union BOA® Diffuse Special Edition Flat Shoes are set to take your mountain bike adventures to new and more confident levels of you, providing a customized fit via the dual BOA® Li2 system featured in these trail-ready shoes. Our #1 footwear style has once again raised the bar with another update, this time an all-new upper (a blend of TPU welded upper featuring ripstop to provide a durable and more breathable experience), construction, and enhanced fit.
Subtitles are available for this video in French, German, Italian, Spanish and English. Just click on the 
icon at the bottom right of the video and select your desired language.
| Size EU | US (Mens) | US (Womens) | US (Youth) | UK Size | Japan / CM Size |
|---|---|---|---|---|---|
| 37 | 5 | 6.5 | Y5 | 4 | 23.5 |
| 38 | 6 | 7.5 | Y6 | 5 | 24.5 |
| 39 | 7 | 8.5 | Y7 | 6 | 25.1 |
| 40 | 7.5 | 9 | Y7.5 | 6.5 | 25.8 |
| 41 | 8 | 9.5 | Y8 | 7 | 26.5 |
| 41.5 | 8.5 | 10 | - | 7.5 | 26.8 |
| 42 | 9 | 10.5 | - | 8 | 27.1 |
| 42.5 | 9.5 | 11 | - | 8.5 | 27.5 |
| 43 | 10 | 11.5 | - | 9 | 27.8 |
| 43.5 | 10.25 | 11.75 | - | 9.25 | 28.1 |
| 44 | 10.5 | 12 | - | 9.5 | 28.5 |
| 44.5 | 11 | 12.5 | - | 10 | 28.8 |
| 45 | 11.5 | 13 | - | 10.5 | 29.1 |
| 45.5 | 12 | 13.5 | - | 11 | 29.5 |
| 46 | 12.5 | 14 | - | 11.5 | 29.8 |
| 47 | 13 | 14.5 | - | 12 | 30.5 |
