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Union Sizing - 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 4 different disk types.

Look below to find the right disk for your board.

UNION BINDING COMPANY DISK TYPE

MiniDisk

Compatability
4x2, Channel

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

Universal Disk

Compatability
4x4, 4x2, Channel

Available On:
All other Union Bindings

MiniKid

Compatability
4x4, 4x2, 3D, Channel

Available On:
Cadet XS

Split Disk

Compatability
Voile Pattern, 4x2 DIY

Available On:
Expedition Series

Disk Compatability

2 x 4 INSERT PATTERN

COMPATIBLE DISK: MiniKid, Universal, Youth

4 x 4 INSERT PATTERN

COMPATIBLE DISK: MiniKid, Universal, Youth

3D INSERT PATTERN

COMPATIBLE DISK: MiniKid, 3-Hole (Sold Separately)

CHANNEL INSERT PATTERN

COMPATIBLE DISK: MiniKid, Universal, Youth

COMPATIBLE DISK: NOT COMPATIBLE WITH UNION

COMPATIBLE DISK: MiniKid, Universal, Youth

VOILE SPLITBOARD PATTERN

COMPATIBLE DISK: EXPEDITION SPLIT DISK

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