


The 2025 Union Women's Ultra snowboard bindings are engineered to provide unbeatable response and suspension for freestyle riders. With a focus on keeping weight to a minimum, each feature is designed to act as a suspension system, seamlessly absorbing and transferring energy with every movement. This results in a smooth, responsive ride that enhances your freestyle performance, offering both comfort and precision without the extra bulk.
Flex: Mid - Stiff
Details:
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Board Compatibility: Minidisk compatible with 2x4 and channel mounting systems.
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Baseplate:
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Stage 11 ASYM Duraflex ST: Asymmetrical design for improved torsional flex by reducing excess material in toe and heel.
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Highback:
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S15 Ultra Duraflex ST: 6 degrees of forward lean for enhanced edge-to-edge response, with new bushing for improved flex and rebound.
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Buckles:
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Magnesium S1: Magnesium ratchets are 4 times stronger than aluminum and half the weight; eco-friendly and recyclable.
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Straps:
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Forma X Ankle Strap: Balances response and comfort with Exoframe exterior for support and flexible interior.
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TS 5.0 Ultragrip Toe Strap: Multi-positional, anti-slip material to keep feet locked in.
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Cushioning:
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Molecular Bushings: Spring-loaded take-offs and cushioned landings, 15% lighter than Fused Vaporlite, reducing fatigue.
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Additional Features:
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Extruded 3D Aluminium Heelcups with Astro Washer: Increases stiffness and response, adjustable for perfect fit.
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Grade 8.8 Hardware: Strongest steel available for durable hardware.
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Tool-less Strap Adjustment: Quick, tool-free adjustment for easy fit customization.
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Womens Bindings Size Guide
Size S M L US Mens Boot Size5.55.5-7.58.0-10.0US Womens Boot Size4.0-6.56.5-8.59.0-11.0US Kids Boot Size3K-5.55.5+-UK Boot Size2.0-4.54.5-6.57.0-9.0Euro Boot Size34.0-37.037.0-40.541.0-43.0Mondo Boot Size21.0-23.523.5-25.526.0-28.0