Amptek All Mountain – 50% camber between the feet for precision and control with 50% rocker in the tip and tail for playful pop and float.

Flex Rating – 5 (1 Soft - 10 Stiff)

RadCut – A traditional sidecut between the inserts fuses with multiple reverse sidecuts toward the tip and tail, providing real time sidecut adjustment to the ride, ie. longer when faster, shorter when slower, and delivering the perfect cut at all times. RadCut is offered in multiple versions, each tailored for individual riding styles. More aggressive sidecut blends deliver quicker, livelier turns, while smoother sidecuts offer a more fluid, relaxed ride.

Wood CBF Core – A layer of basalt and Kevlar between the inserts enhances power and stability while dampening vibrations.

Glass Fiber – Delivers customized flex with increased torsional resistance and stability.

Sintered 4400

5S Serrated Edges – Rossignol's exclusive edge technology offers five, smaller points of edge contact (one between the inserts and two on either side of the inserts), improving bite and grip along the entire edge for better stability.

2 x 4 Insert Pattern

Flex Rating – 7 (1 Soft - 10 Stiff)

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

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

Tool-Less FLAD

ExoFrame 4.0 Ankle Strap – Rapid response, trusted by professional snowboarders

2.0 Rhombus 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. Toe strap adjustment has been redesigned and reinforced with double the connection strength, thanks to the new pin system.

Tool-less Strap Adjustment

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

Grade 8.8 Steel 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.