All-New Stage IV Base – Same lifetime warranty as always, on a lighter, lower-profile baseplate.

Dupont™ Zytel® ST – The highest-quality nylon is used on all Union baseplates to result in strength, safety and security.

Dual Density EVA Bushings – They dampen vibrations underfoot to promote a more comfortable ride and a smooth, even board flex with no dead sports. Each size comes with its own durometer for custom performance.

Multizone Force Highback – With a new design this highback brags next level heelside response and board control.

Shift-on-the-Fly Forward Lean – Quick and easy to use, adjust the forward lean with a simple flip of a knob then slide it to wherever you want and re-lock it. Easily done while waiting in those pesky lift lines.

Symmetric 3D Direct-Connect Strap System – Multi-Layer Tapered Strap Core evenly distributes pressure in a symmetrical package.

Multi-Layered Tapered Strap Core

Magnesium Buckles – The magnesium in the buckles is four times the strength of aluminum with only half the weight. Plus, it is easily recycled.

All-New Toe Buckle System – Multi-positional options with open Ultra Grip™ Design

All-New Toe Cup Design – Holds better to your boots for consistent control and also moves vertically for multiple boot-to-strap positions.

All-New Extruded 3D Aluminum Heelcups – This process removes material to reduce weight but maintains strength.

Universal Disks – Compatible with any traditional 4x4 mounting system and 3-hole board patterns. Channel Compatible Discs are available separately from Union to fit Burton snowboards with The Channel.

Grade 8.8 Hardware – The most commonly used hardware is made from "mild steel" that has a property class of only 4.6. Considering how much stress a binding goes through, Union uses only the highest-strength steel, with a property class of 8.8.