Comfort, control, and confidence right out of the box. The Union STR is a durable, mid-flexing all-mountain binding made for riders who want to level up. With all-day comfort and a forgiving response, it's perfect for beginner to intermediate snowboarders looking to explore more of the mountain with every run.
Key Features
- 2% Giveback to Outreach Partners
- Durable Materials
- Budget Friendly
- Lifetime Warranty Baseplate & Heelcup
Binding Performance (0–10)
| Category |
Rating |
| Performance |
6/10 |
| All Mountain |
7/10 |
| Freestyle |
5/10 |
| Freeride |
6/10 |
Binding Flex (0–10)
Binding Weight (Pair)
Model Features
Baseplate: S5 Duraflex
Designed for all-day comfort and dependable response across the entire mountain. The bombproof Stage 5 Duraflex baseplate is built to last and backed by Union's lifetime warranty.
Bushing: EXT Thermoformed EVA
Thermoformed EVA padding absorbs impacts and reduces vibration, delivering enhanced comfort and control underfoot.
Footbed: Thermoformed EVA
Classic thermoformed EVA footbed designed to reduce fatigue, absorb shock, and promote true, even board flex.
Canting: Yes
3° of canting helps align the legs and knees for a more natural and comfortable riding position.
Highback: S11 Duraflex
The perfect blend of flex and response for all-mountain riding. The S11 Duraflex highback is ideal for beginner to intermediate riders looking to progress their skills.
FLAD: Cam-Lock
Cam-Lock forward lean adjustment allows riders to fine-tune their stance for precise edge-to-edge control.
Heelcup: Extruded 3D Aluminum
Designed for optimum heel hold and minimization of drag. Backed by Union's lifetime warranty.
Ankle Strap: Exoframe 3.0
Exoframe 3.0 ankle straps provide a secure, locked-in ride feel. Lightweight, highly durable, and trusted by both team riders and shop employees.
Toe Strap: TS 2.1 UltraGrip
Thermoplastic toe straps offer multi-positional options and compatibility with all snowboard boots for a secure and reliable fit.
Strap Adjustment: Quick-Lock + Steel Screw
Easily adjustable using a standard #3 screwdriver for quick setup and customization.
Ratchets: Aluminum S2 w/ Steel Base
Durable aluminum and steel construction delivers smooth, reliable operation season after season.
Hardware: Grade 8.8 Steel
Constructed using the strongest steel hardware available on the market for maximum durability.
Compatibility
- 4x2 Insert Pattern
- 4x4 Insert Pattern
- Channel Mounting System
Disk Type
