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Union Women's Ultra Snowboard Bindings

Regular price $209.92
Regular price $299.95 Sale price $209.92
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  • Baseplate: Stage 11 Asym Duraflex ST
  • Bushing: Molecular Bushing w/ TPE Outsole
  • Heelcup: Extruded 3D Aluminum w/ Astro Washer
  • Highback: S15 Ultra Duraflex ST
  • Ankle Strap: Forma X
  • Toe Strap: TS 5.0 Ultragrip
  • Ratchets: Magnesium S1 w/ Steel Base
  • No FLAD
  • Gas Pedal: Non Stick + Extragrip
  • Canting: No
  • Tool-Less Adjustment
  • Mini Disk
  • 4x2, Channel
  • Flex: 6

Free Shipping

  • Spend $25 for free shipping on most items
  • Delivery in 1-4 days contiguous United States

Free Returns*

Local Service

23851 Via Fabricante Ste. 201
Mission Viejo, CA 92691

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Strap in to the most comfortable women's snowboard binding ever developed. The Union Ultra provides a cushioned ride feel like you’ve never experienced before. Each component of the Ultra acts as a suspension system for your snowboard boots, loading and unloading with each movement as you ride. Welcome to the future of snowboard binding design. 

Union Snowboard Bindings Size Chart


Key Features

S15 Ultra Duraflex ST Highback
6 degrees of preloaded forward lean hugs your boot and allows for quick edge to edge response, while the all new molecular highback bushing provides increased freestyle flex and rebound while riding. This unique highback construction is exclusive to Union Binding Company.

Astro Ankle Washer
Union's Astro ankle washer adds another level of confidence and security to your riding. Prevents heelcup slippage on binding models that only feature a single heelcup screw.

Magnesium S1 Ratchets
Magnesium S1 ratchets are Union’s answer to the elements. A fully integrated spring protected from the harsh outside provides you with Union’s best ratchet to date. Longer life span and better spring return guaranteed.

Forma X Ankle Straps
Instant response meets all day long foot comfort. The Forma X ankle strap's all-new construction combines our responsive Exoframe exterior with the padded comfort and flexibility of the Forma interior. Form fits perfectly to any boot on the market today.

Stage 11 ASYM Duraflex ST Baseplate
By removing excess material in the toe and heel of the baseplate, and utilizing a brand new asymmetrical shape, we've been able to drastically increase the torsional flex of the binding. The Ultra's Stage 11 ASYM baseplate allows for 360 degree board flex and feel.

TS 5.0 Ultragrip Toe Strap
Multi-Positional options and thermoplastic anti-slip material keep you locked in and on point. The TS 5.0 Ultragrip toe strap is compatible with all boot brands and models.

Molecular Bushing
Union's all-new Molecular bushing provides spring-loaded take offs and perfectly cushioned landings. 15% lighter than Union Fused Vaporite and guaranteed to minimize foot, ankle and knee fatigue. This is the future of freestyle binding design.

TPE Outsole
Exclusive to Union, this 100% new binding manufacturing process requires zero bushing gluing and adds another layer of dampening and vibration canceling material to the all-new Ultra.

Binding Details


Stage 11 Duraflex ST
360 degree board flex and feel. The ultimante freestyle riding experience. Lifetime warranty.

Moleculer Bushing w/ TPE Outsole
Cushioning + rebound. Zero bushing gluing required.

Extruded 3D Aluminum w/ Astro Washer
Designed for optimum heel hold and minimization of drag. Astro washer prevents heelcup slipage.

S15 Ultra Duraflex ST
A thin layer of molecular bushing provides increased freestyle flexibility.

Forma X
Exoframe exterior with the padded comfort and flexibility of the Forma interior.

TS 5.0 Ultragrip
Multi-Positional options, thermoplastic anti-slip material and fits to any boot.

Magnesium S1 w/ Steel Base
Union's newest ratchet - Longer life span and better spring return guaranteed.

No FLAD needed. A thin layer of molecular bushing provides a spring loaded return for quick edge to edge power when you need it.

Grade 8.8 Steel
The strongest steel available on the market.

Non Stick + Extragrip
Prevents snow and ice build up under boots. Extragrip under the big toe for increased traction.

No tools needed for adjustment. Simply pop the pins and adjust.


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