Union Women's Trilogy Snowboard Binding Black 2027
Built for the next generation of women snowboarders, the Union Trilogy provides a smooth, comfortable ride that works in any condition and on any terrain. More women choose the Trilogy than any other binding on the market, making it the #1 women's binding in snowboarding.
Featuring durable construction with team highback option, the Trilogy delivers reliable performance with the comfort and precision that female riders demand. Ride like Mia—ride the Trilogy.
Fast, Reliable Shipping
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We ship fast worldwide. Most orders go out the same or next business day. You will get an order confirmation right away, followed by tracking as soon as it ships so you always know where your gear is.
Binding Size by Boot Size
Match your boot size to the recommended binding size.
| S | M | L | |
|---|---|---|---|
| US Men | * – 5.5 | 5.5 – 7.5 | 8 – 10 |
| US Women | 4 – 6.5 | 6.5 – 8.5 | 9 – 11 |
| US Kids | 3K – 5.5K | 5.5K+ | – |
| UK | 2 – 4.5 | 4.5 – 6.5 | 7 – 9 |
| EU | 34 – 37 | 37 – 40.5 | 41 – 43 |
| Mondo | 21 – 23.5 | 23.5 – 25.5 | 26 – 28 |
Note: Sizing varies by brand. Check manufacturer specs if between sizes.
Fit Tips
- Your boot heel should sit centered in the binding heelcup
- Straps should reach across your boot without over-extension
- If between sizes, size up for thick boots, down for low-profile






