Union Sizing + Disk Use

International Fit Standards
Men Small Medium Large
Mondo 23 - 26 25 - 28 28+
UK 4 - 7 6 - 9 9+
US Womens 6 - 9 8 - 11
US Unisex 5 - 8 7 - 10 10+
Euro 37 - 41 40 - 43 43+
WOMEN Small Medium Large
Mondo 21 - 23 23 - 26 25 - 28
UK 2 - 4 4 - 7 6 - 9
US Womens 4 - 6 6 - 9 8 - 11
US Youth 3 - 5 5 - 8 7 - 10
Euro 34 - 37 37 - 41 40 - 43
YOUTH EXTRA SMALL Small Medium
Mondo 17.5 — 21 21 - 23 23 - 26
UK 10K — 2 2 - 4 4 - 7
US Womens 4 - 6 6 - 9
US Youth 11C — 3 3 - 5 5 - 8
Euro 28 — 34 34 - 37 37 - 41

UNIVERSAL DISKS AND INSERT PATTERNS

There are a number of different ways to mount your bindings and a few different mounting systems to work with. Union currently offers two different disk types.



Look below to find the right disk for your board.

UNION BINDING COMPANY DISK TYPE

Minidisk

Available On:
Ultra FC, Ultra, Contact Pro, Contact,Legacy, Milan

Universal Disk

Available On:
All other Union Bindings

Youth Disk

Available On:
Cadet XS

SPLIT DISK

Available On:
Expedition Series

DISK COMPATIBILITY CHART:

2X4 INSERT PATTERN

Compatible with:
Universal Disk, Minidisk, Youth Disk

4X4 INSERT PATTERN

Compatible with:
Universal Disk, Youth Disk

3D INSERT PATTERN

Compatible with:
Youth Disk

CHANNEL INSERT PATTERN

Compatible with:
Universal Disk, Minidisk, Youth Disk

BURTON SPLITBOARD CHANNEL HARDWARE

Not Compatible with
Union Expedition Splitboard Bindings

VOILE SPLITBOARD PATTERN

Compatible with:
Expedition Split Disk

If you have any further questions about disk compatibility,
please email: info@unionbindingcompany.com