The 2023 Union STR Binding provides one of the best value binding on the market, offering all-mountain performance without breaking the bank.
Featuring tech found on high-end bindings, stripped and refined to shave cost, the STR is a durable, comfortable, and performance-focused binding that has everything you need, and nothing you don't.
Binding Type: All Mountain
Flex: 6/10 (Stiff)
Board Compatibility: Camber Disk, compatible with all 4x4, 4x2 and Channel insert systems.
Baseplate
Stage 5 Duraflex
Designed as an all-mountain and freeride base, the Stage 5 is lightweight, canted for comfort and power, and offers bomb-proof durability for long lasting performance.
Highback
S11 Duraflex
The S11 Duraflex gets the blend of flex and response just right.
Buckles
Aluminium
A smooth and fast mechanism combined with Union aluminium creates a light and durable ratchet that feels good, looks good, and works even better.
Straps
Exoframe 2.0 Ankle Strap + TS 1.0 Toe Strap
The ExoFrame ankle strap functions as a suspension system for your feet, boasting improved comfort and greatly reduced weight compared to previous models. The toe strap can be worn as a toe strap or cap strap and is made of a highly durable, super grippy thermoplastic material, keeping you securely locked in at all times.
Cushioning
EXT Thermoformed EVA
EXT Thermoformed EVA bushings offer multiple season durability along with a smoother ride, enhanced comfort, and extra impact and vibration absorption when you need it most.
Additional Features
Extruded 3D Aluminium Heelcups
This heelcup increased the stiffness of the binding, increases response, and is adjustable to help you dial in the perfect fit.
Classic Forward Lean Adjuster
No tools needed for this one, just flick the tab down and slide the panel for more response or a looser feeling ride on the fly.
Grade 8.8 Hardware
Union ensure their hardware is reliable by using the strongest steel available on the market.
Tool-less strap adjust
Whether you're letting a friend borrow your bindings or you just need to fine tune your fit, you can adjust your straps on the fly without the need for tools.
Canting
The footbed of this binding is angled to better align your joints and provide a more natural feeling, less fatiguing ride