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:

• Board Compatibility: Minidisk compatible with 2x4 and channel mounting systems.

• Baseplate:

  • Stage 11 ASYM Duraflex ST: Asymmetrical design for improved torsional flex by reducing excess material in toe and heel.

• Highback:

  • S15 Ultra Duraflex ST: 6 degrees of forward lean for enhanced edge-to-edge response, with new bushing for improved flex and rebound.

• Buckles:

  • Magnesium S1: Magnesium ratchets are 4 times stronger than aluminum and half the weight; eco-friendly and recyclable.

• Straps:

  • Forma X Ankle Strap: Balances response and comfort with Exoframe exterior for support and flexible interior.

  • TS 5.0 Ultragrip Toe Strap: Multi-positional, anti-slip material to keep feet locked in.

• Cushioning:

  • Molecular Bushings: Spring-loaded take-offs and cushioned landings, 15% lighter than Fused Vaporlite, reducing fatigue.

• Additional Features:

  • Extruded 3D Aluminium Heelcups with Astro Washer: Increases stiffness and response, adjustable for perfect fit.

  • Grade 8.8 Hardware: Strongest steel available for durable hardware.

  • Tool-less Strap Adjustment: Quick, tool-free adjustment for easy fit customization.

• Womens Bindings Size Guide

  Size	S	M	L
  US Mens Boot Size	5.5	5.5-7.5	8.0-10.0
  US Womens Boot Size	4.0-6.5	6.5-8.5	9.0-11.0
  US Kids Boot Size	3K-5.5	5.5+	-
  UK Boot Size	2.0-4.5	4.5-6.5	7.0-9.0
  Euro Boot Size	34.0-37.0	37.0-40.5	41.0-43.0
  Mondo Boot Size	21.0-23.5	23.5-25.5	26.0-28.0