Union Ultra Snowboard Binding Arthur Longo 2026
Regular price
$399.99
Unit price
/
Unavailable
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Usually ready in 2 hours
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Binding System
Entry method
Traditional Two-Strap
Flex
Sanction Suggested flex. Vendor ratings may vary.
Medium
Terrain
Where this binding excels
Ability Level
Recommended rider experience
Intermediate-Advanced
Mounting
Board compatibility
4x4 / 2x4
Boot Compatibility
Works with these boot types
Standard (All Boots)
Specifications sourced from manufacturer data and may vary by size.
Baseplate
S11 ASYM Duraflex ST
Asymmetrical Design·Astro Washer·Extragrip Disk Cover
Highback
S15 Ultra Duraflex ST
Preloaded Forward Lean·Freestyle Flex
Ankle Strap
Hybrid 1.0
Magnesium S1 w/Steel Base
Toe Strap
TS 5.0 Ultragrip
Tool-Less 3.0 Adjustment
Footbed
Molecular Bushing w/TPE Outsole
Underfoot dampening for comfort and board feel
Response
Suspension System
Vibration Dampening·Impact Absorption
Features sourced from manufacturer data and may vary by model year.
Sanction Suggested
Binding sizing is based on your boot size. Use the chart below to find your perfect fit.
Binding Size by Boot Size
Match your boot size to the recommended binding size.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| US Men | * – 5.5 | 5.5 – 7.5 | 8 – 10 | 10.5 – 13 | 13 – 15 |
| 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 | 9.5 – 12 | 12 – 14 |
| EU | 34 – 37 | 37 – 40.5 | 41 – 43 | 43.5 – 46 | 46 – 48 |
| Mondo | 21 – 23.5 | 23.5 – 25.5 | 26 – 28 | 28.5 – 31 | 31 – 33 |
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
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