Contact Base This carbon-injected base is made of Dupont™ Zytel® ST and is guaranteed against breakage with a lifetime warranty.
Dupont™ Zytel® ST The highest-quality nylon is used on all Union baseplates to result in strength, safety and security.
Dual Zone EVA Bushing Two separate zones of EVA provide underfoot dampening for a more comfortable ride that distributes your pressure more evenly for equal board flexibility with no dead spots.
All-New 3D Direct-Connect Strap System Multi-Layer Tapered Strap Core evenly distributes pressure.
Tool-Free Size Adjustment
All-New Open Toe Straps Multi-positional options with open Ultra Grip™ Design
Injected Aluminum Buckles Fast in, and fast out. Union aluminum is second-to-none.
All-New Fusion Highbacks Offers up lateral tweakability in any temperature.
Shift-on-the-Fly Forward Lean
Extruded Anodized Aluminum Heelcups The strongest and most versatile aluminum heelcup on the market, extruded aluminum comes out 100% pure and maintains its true shape no matter how much wear and tear you inflict. Also, every Union heelcup undergoes an anodizing process—reinforcing the already bombproof apparatus with 30% more strength.
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.