Union STR Snowboard Bindings Bone
Comfort, control, and confidence—right out of the box. The Union STR is a durable, mid-flexing all-mountain binding built for riders ready to take their skills to the next level. With all-day comfort and forgiving response, it’s the perfect choice for beginner to intermediate snowboarders looking to explore more of the mountain and level up every run. Reliable performance meets accessible progression.
THE UNION WARRANTY
Lifetime for baseplate / heelcup,
2 year for everything else.
Overall Flex
6/10
Key Features
Union STR
exoframe bindings
Stage 5 Duraflex Baseplate
All day comfort and response for riding the entire mountain. The bombproof Stage 5 Duraflex baseplate is built to last. Backed by a lifetime warranty.
Technology
Baseplate - Stage 5 Duraflex
Bushing - XT Thermoformed EVA
Heelcup - Extruded 3D Aluminum
Highback - S11 Duraflex
Ankle Strap - Exoframe 3.0
Toe Strap - TS 2.1 Tiles
Ratchet - Alu S2 w/ Steel
FLAD -Tool-Less
Hardware - Grade 8.8 Steel
Strap Adjustment - Tool-Less
Canting - Yes
Suggested Board to Binding Flex
Boards and bindings come in a variety of stiffnesses for different types of riding. Every rider has their own preference on how a board and binding should interact. Uniions suggests a mid flex board to go with these bindings.
Disk Type and Compatibility
4x4
4x2
Channel
- Secure payment via card, Apple Pay, Google Pay, Shop Pay, and PayPal.
- Clearpay, and Klarna available for UK customers.
Fast reliable delivery via Royal Mail, and DHL.
Standard
- 3-4 working days.
- £3.99
Next Working Day
- Orders placed over the weekend will be shipped the following Monday.
- Orders placed after 2:30pm Mon-Fri will be shipped the following working day.
- £6.99
Remote
- Northern Ireland, Channel Islands, Isle Of Man, Scilly Isles, and Scottish Highlands & Islands.
- £3.99 for most parcels.
- £15.99 - £23.99 for orders containing large items such as skateboards.
International
- Shipping available to Austria, Belgium, France, Germany, Ireland, Netherlands, Portugal, Spain, and the USA.
- Easy returns - Submit your return request via our online portal - return shipping available via Royal Mail.
- View our returns policy
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