Flex Rating – 4 (1 Soft - 10 Stiff)

Unibody Baseplate – Made with Nylon for durable, simple and reliable riding performance.

Shift Highback – Lightweight, supportive and smooth flexing.

Full Highback Rotation – Riders have the ability to rotate the highback so it aligns with the heel edge of their board. Being able to adjust the highback provides better power transfer, more tweakability and proper edge hold.

Tool-Free Highback Forward Lean Adjuster

Contour Ankle Strap – Soft, comfortable and durable.

Minimist Toe Strap – Sleek, minimal one piece design snugly wraps the boot toe for smooth flexing control.

Multiple Strap Positions – Every Rome binding comes with 3 or more strap positions so you can customize the level of strap support you want.

Flite | Duraflex – Duraflex material was specifically engineered to maintain consistent flex in a wide range of cold temperatures. Exclusive to Union for snowsports products.

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

Thermoformed EVA Bushing – Shock absorption saves your heels and promotes a true and even board flex.

Rosa | Duraflex – Duraflex material was specifically engineered to maintain consistent flex in a wide range of cold temperatures. Exclusive to Union for snowsports products.

Tool-less FLAD

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

1.0 Ultragrip Toe Strap – 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.

Aluminum – Fast in and fast out - the new mechanism combined with Union aluminum is superior to any binding buckle eon the market = with the exception of Union magnesium.

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

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™.