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Union STR Snowboard Binding Mustard 2025
Sale price
$150.00
Regular price
$299.99
Unit price
/
Unavailable
Pickup available at Sanction World Headquarters
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
Beginner-Intermediate
Mounting
Board compatibility
4x4 / 2x4 / Channel Compatible
Boot Compatibility
Works with these boot types
Standard (All Boots)
Specifications sourced from manufacturer data and may vary by size.
Baseplate
Stage 5 Duraflex
Stage 5 Duraflex Baseplate For Consistent Flex In ColdΒ·Minimal Base Contact For True Board FlexΒ·Canted Footbeds
Highback
S11 Duraflex Highback
S11 Duraflex Highback (Medium Flex, Responsive)Β·Tool-Less Forward Lean AdjustmentΒ·Highback Rotation (Adjustable)
Ankle Strap
ExoFrame 3.0
Aluminum S2 With Steel
Toe Strap
TS 2.1 / TS 4.0+ Toe Strap
ExoFrame 3.0 Ankle Strap (Lightweight, Durable)Β·TS 2.1 / TS 4.0+ Toe Strap (Multi-Positional, Thermoplastic Anti-Slip)
Footbed
EXT Thermoformed EVA
3Β° Canted Footbed For Knee Alignment
Response
Shock Absorbing EXT Thermoformed EVA Bushings
Extruded 3D Aluminum Heelcup For Optimum Heel Hold And Reduced DragΒ·Balanced Mid Flex For All-Mountain Control And Comfort
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 | * β 5.5 | 5.5 β 7.5 | 8 β 10 | 10.5 β 13 | 13 β 15 |
| US Women | 4 β 6.5 | 6.5 β 8.5 | 9 β 11 | β | β |
| US Kids | 3K β 5.5K | 5.5K+ | β | β | β |
| UK | 2 β 4.5 | 4.5 β 6.5 | 7 β 9 | 9.5 β 12 | 12 β 14 |
| EU | 34 β 37 | 37 β 40.5 | 41 β 43 | 43.5 β 46 | 46 β 48 |
| Mondo | 21 β 23.5 | 23.5 β 25.5 | 26 β 28 | 28.5 β 31 | 31 β 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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