Ultra Snowboard Bindings - Black 2027
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Ultra Snowboard Bindings - Black 2027
Pickup available at Boutique Adrénaline
Usually ready in 24 hours
Size chart
Men's / Unisex Size Chart
| Size System | Small | Medium | Large | X-Large |
| US Men | 5.5 - 7.5 | 8 - 10 | 10.5 - 13 | 13 - 15 |
| US Women | 6.5 - 8.5 | 9 - 11 | — | — |
| US Kids | 5.5K+ | — | — | — |
| UK | 4.5 - 6.5 | 7 - 9 | 9.5 - 12 | 12 - 14 |
| EURO | 37 - 40.5 | 41 - 43 | 43.5 - 46 | 46 - 48 |
| MONDO | 23.5 - 25.5 | 26 - 28 | 28.5 - 31 | 31 - 33 |
Women's Size Chart
| Size System | Small | Medium | Large |
| US Men | up to 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 |
| EURO | 34 - 37 | 37 - 40.5 | 41 - 43 |
| MONDO | 21 - 23.5 | 23.5 - 25.5 | 26 - 28 |
Kids' Size Chart
| Size System | One | Mini | Small | Medium |
| US Men | — | — | up to 5.5 | 5.5 - 7.5 |
| US Women | — | up to 4 | 4 - 6.5 | 6.5 - 8.5 |
| US Kids | 7C - 11C | 11C - 3K | 3K - 5.5K | 5.5K+ |
| UK | 6 - 10 | 10K - 2 | 2 - 4.5 | 4.5 - 6.5 |
| EURO | 24 - 28 | 28 - 34 | 34 - 37 | 37 - 40.5 |
| MONDO | 13.5 - 17.5 | 17.5 - 21 | 21 - 23.5 | 23.5 - 25.5 |
Quick Specs
| Segment | Freestyle |
| Flex | 6 / 10 (Medium) |
| Compatibility | 4x2, Channel |
| Disk | Mini Disk |
| Weight (Pair) | 1.75 kg |
| Canting | No |
| Ridden by | Arthur Longo, Gigi Rüf |
Product Description
The Ultra is Union's most technically evolved freestyle binding, engineered around a next-generation suspension system. The Molecular Bushing with TPE Outsole flexes and rebounds between baseplate and topsheet, absorbing vibration on harsh snow before it disrupts your line. Asymmetric mini disk geometry tightens your freestyle footprint while magnesium ratchets keep weight exceptionally low. Built for intermediate to advanced riders who want to feel the board, not fight it.
Product Details
| Baseplate | S11 Duraflex ST: asymmetrical mini disk design in Duraflex ST nylon, delivering extra response without added weight, with an asymmetric footprint optimized for freestyle riding |
| Bushing | Molecular Bushing with TPE Outsole: more durable and cushioned than traditional thermoformed EVA, acts as a suspension system between baseplate and snowboard topsheet reducing vibrations on harsh snow, with a TPE outsole layer underfoot |
| Footbed | Duraflex + ExtraGrip: Duraflex nylon footbed with extra grip texture for locked-in feel |
| Highback | S25 Duraflex ST: Ultra Men's asymmetric highback in Duraflex ST nylon, providing extra response without added weight and consistent performance in cold temperatures |
| Forward Lean | Integrated 2-Stage: two-stage integrated forward lean dial built into the highback, tool-free adjustment |
| Heelcup | Extruded 3D Aluminum: 100% pure aluminum that maintains its true shape under heavy wear, durable and lightweight |
| Ankle Strap | Hybrid 1.0 with PU Core: hybrid strap construction with a waterproof, super-durable PU Layered EVA core that molds to any boot for reliable support |
| Toe Strap | TS 5.0 UltraGrip: toe strap with UltraGrip surface for secure hold over any boot shape |
| Strap Adjustment | Pins + Quick-Lock: pin-and-quick-lock adjustment system for precise strap positioning |
| Ratchets | Magnesium S1 with Steel Base: Union-exclusive magnesium, four times stronger than aluminum at half the weight, with a steel base for long-term reliability |
| Hardware | Grade 8.8 Steel: the strongest steel commonly available, used throughout critical binding components |
Warranty
Ultra Snowboard Bindings - Black 2027 FAQ
The Ultra Men's says it's NEW/UPDATED—what changed?
The Ultra Men's was updated with the all-new Molecular Bushing and TPE Outsole for enhanced suspension and board feel, paired with the S11 asymmetric mini disk design and Integrated 2-Stage forward lean for precise tuning.
What's the difference between a mini disk and regular 4x4?
The S11 mini disk has an asymmetric footprint optimized for freestyle riding. It allows true board flex with a smaller contact area, ideal for park and responsive all-mountain play.
Is the 6/10 flex soft enough for park tricks?
Perfect. 6/10 is a medium-soft flex paired with 9/10 freestyle rating. It rewards tricks and creative riding while remaining capable in all-mountain terrain—true hybrid binding performance.
Will the PU Core ankle strap hold my boot securely?
Yes. The Hybrid 1.0 strap with PU Layered EVA core is waterproof and super-durable, molding to any boot shape. Quick-Lock adjustment ensures a secure, locked-in feel without pinching.