Flex Rating (1 Soft - 5 Stiff) – 2

Vogue Base – Offers a more natural flex for all leg strengths. Designed and developed exclusively for women.

Performance Blend – A nylon and fiberglass mix for all-around performance.

Adjustable Toe & Heel Cushion – A movable cushion that can be adjusted to suit boot size and board width.

Toolless Lever – Find your optimum settings without any tools. The stopper prevents any screws coming loose.

Comfort Footbed – A comfortable footbed resistant to snow buildup, offering a level board feel and superior shock absorption.

Multi Disc – In addition to the conventional 4x4 screw holes, this disc is also channel-compatible.

Women's Ultima Wing Highback – Provides solid support, giving the rider quick response during ollies and a sense of security when landing.

Super Tough Nylon Soft – A fiber mix with a soft flex that is perfect for all mountain riding.

Micro Adjuster – Adjust forward lean in 2.5° increments with each click for finer highback settings.

Honeycomb Strap 2.0 – The lightweight honeycomb structure provides excellent shock mitigation, grabbing the ankle for the ultimate hold.

FTM Versa Toe Strap – Softer material and a better holding top or toe strap option. Designed to fit any boot on the market.

L-Guide – For a smooth in and out. Holds ratchet ladders down.

UU Fit – A 360° wrap evens out pressure for a natural feel and hold.

Micro Buckles – Now smaller while still performing better than the rest. The new design makes for effortless ratchet strap hold and release.

Lightness (1 Light - 5 Lightest) – 4

Stage 6 | Duraflex ST – Simply put, Duraflex St is the same material as regular Duraflex, but with increased glass for more response without the weight. Designed for cold temperatures.

OTE Fused Vaporlite Bushings – OTE Fused Vaporlite bushings set new standards for cushioning and vibration dampening. Fused Vaporlite is the future of precise manufacturing.

Extruded 3D Aluminum Heelcups – Designed for optimum heel hold and minimization of drag, Union 3D Extruded Aluminum heelcups are the strongest in the business.

Canted Footbeds

Legacy | Duraflex ST – Simply put, Duraflex St is the same material as regular Duraflex, but with increased glass for more response without the weight. Designed for cold temperatures.

Push-Pin FLAD – Rotate center of FLAD 90 degrees push and slide to your preferred setting. Only available on the Strata and Legacy.

Forma Ankle Strap – New and improved, the design of the Forma Ankle Strap produces strength and rapid response on the outside, fit and pillowed comfort on the inside

Ultragrip Toe Strap with Secure-Lock – Multi-positional options and thermoplastic anti-slip material keeps you locked in and on point. Each version has differing amounts of material based on weight.

Tool-less Strap Adjustment

Magnesium – Union's proven bombproof ratchet system, Magnesium buckles are light, sleek, and durable on the mountain.

Grade 8.8 Hardware – The strongest steel available on the market, Union's use of Grade 8.8 represents a commitment to delivering the strongest and most reliable bindings on the market today.

Mini Disk – Compatible with 4x2 and The Channel™.

Stage 4 | Duraflex ST – Simply put, Duraflex St is the same material as regular Duraflex, but with increased glass for more response without the weight. Designed for cold temperatures.

Multi-Density Thermoformed EVA – Multi-density bushings sustain their function each season - unlike urethane rubber or other materials that change color and become brittle over time.

Extruded 3D Aluminum Heelcups – Designed for optimum heel hold and minimization of drag, Union 3D Extruded Aluminum heelcups are the strongest in the business.

Canted Footbeds

Trilogy | Duraflex ST – Simply put, Duraflex St is the same material as regular Duraflex, but with increased glass for more response without the weight. Designed for cold temperatures.

Classic FLAD – Pull the lever away from the highback and quickly adjust your forward lean angle to suit the terrain in front of you.

Classic Pro Ankle Strap – A wider and more traditional design, this strap compliments the Force model perfectly - a time honored legend of a snowboard binding.

Ultragrip Toe Strap with Secure-Lock – Multi-positional options and thermoplastic anti-slip material keeps you locked in and on point. Each version has differing amounts of material based on weight.

Tool-less Strap Adjustment

Magnesium – Union's proven bombproof ratchet system, Magnesium buckles are light, sleek, and durable on the mountain.

Grade 8.8 Hardware – The strongest steel available on the market, Union's use of Grade 8.8 represents a commitment to delivering the strongest and most reliable bindings on the market today.

Universal Disk – 4x4, 4x2, Channel