|Binding Mount Pattern||4x4, 2x4, Channel|
|Warranty||Limited Lifetime (Baseplates & Heelcups), 1 Year (All Other Parts)|
Baseplate Stiffness – 7/10
Highback Stiffness – 6/10
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.
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.
Exoframe 2.0 Ankle Strap - New for 2021!
TS 2.0 Hexgrip Toestrap - New for 2021!
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 Camber Disk – 4x4, 4x2, Channel