Description
Tech Info
Size chart
2026 Union Trilogy Classic Women’s Snowboard Bindings
The Union Trilogy Classic has been a staple in women’s snowboarding for over a decade—and for good reason. Built on the same proven platform that’s powered pros and everyday riders alike, this binding delivers unwavering durability, responsive support, and that unmistakable Union feel. No flashy gimmicks, just the same bombproof performance that keeps people coming back year after year.
Who is this binding best for?
Riders who want no-nonsense response, time-tested reliability, and a smooth all-mountain ride with a legacy to match.
Summary Chart
| Ability | Intermediate – Expert |
| Flex | Stiff – 7/10 |
| Baseplate | Stage 4 Duraflex ST |
| Highback | Force | Duraflex ST |
| Toe Strap | 2.0 Rhombus Toe Strap |
| Ankle Strap | ExoFrame 4.0 Ankle Strap |
| Compatibility | 4x2, 4x4, Channel |
| Warranty | Lifetime on baseplate and heelcup, 1 year on other parts |
Flex
- Flex Rating – 7/10 – Stiff and responsive feel for powerful all-mountain riding.
Baseplate
- Stage 4 Duraflex ST – Reinforced glass construction for consistent response in all conditions.
- Multi-Density Thermoformed EVA – Sustains cushioning and function season after season.
- Extruded 3D Aluminum Heelcup – Provides rock-solid heel hold and minimized drag.
- Canted Footbeds – Enhances joint alignment and comfort by aligning knees and ankles naturally.
Highback
- Force | Duraflex ST – A legacy highback known for responsive support and longevity.
- Tool-Less FLAD – Quickly adjust forward lean without tools.
Straps
- ExoFrame 4.0 Ankle Strap – High-response, low-profile design trusted by pros worldwide.
- 2.0 Rhombus Toe Strap – Grippy and form-fitting with multiple positioning options.
- Tool-less Strap Adjustment – Make on-the-fly changes easily, even with gloves on.
Buckles
- Magnesium Buckles – Union’s proven ratchet design that’s lighter and four times stronger than aluminum.
Additional Features
- Grade 8.8 Steel Hardware – Strongest available steel used for reliable performance in any condition.
Size Chart
| Size | US Women's | Mondo | UK | Euro |
|---|---|---|---|---|
| Small | 4 – 6.5 | 21 – 23.5 | 2 – 4.5 | 34 – 37 |
| Medium | 6.5 – 8.5 | 24 – 25.5 | 5 – 6.5 | 38 – 40.5 |
| Large | 9 – 11 | 26 – 28 | 7 – 9 | 41 – 43 |
Need Expert Advice?
We know there are a lot of choices out there. If you need some guidance, let us know! Our experts have decades of experience and can help you narrow it down.
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