Flex:
Flex Rating: 7 (1 Soft - 10 Stiff) - Medium-Stiff boot that prioritizes power, precision, and high speed stability.
Fit:
M2 Single Frame Shell™: Union's patented Single Frame Shell™ is an industry first and the key to success in Union's streamlined boot assembly process. Engineered with Pebax®, this lightweight and durable
shell offers waterproof protection and consistent flex that holds up through the full life of the boot.
React Tapered 3D Tongue: Union's React Tapered 3D Tongue offers geometric shaping for comfort and extra toe-box room.
Liner:
Forma Pro with TrueFoam™ Technology: This custom-built memory foam liner features TrueFoam™ Technology, molding to any foot right out of the box—no break-in, no pack out, just lasting comfort.
Moisture Wicking Mesh Liner
Lacing System:
Dual Zone BOA®: Dual Zone BOA® lacing offers premium all mountain performance with two separate micro-adjustable zones. The tongue dial controls the lace that tightens the upper zone to provide flex and stability, while the remote dial adjusts lace tension and locks in the forefoot for greater response and control in the lower zone.
BOA® TX3 Lace: The workhorse of the BOA® Fit System, BOA® laces routinely tolerate the toughest environments and field tests, and are expertly configured for precision and performance. Flexible and low-friction, the BOA® textile TX3 lace delivers high strength-to-weight ratio.
BOA® H4 CoilerTM + M2: Smooth and reliable, the H4 Coiler fine-tunes upper-zone flex and stability with ease, while the M2 remote dial locks in the forefoot for consistent response. Dependable and versatile, it delivers lasting comfort and control across a wide range of riding conditions.
Footbed:
Contact Dual-Density Ortholite™: 3D-formed dual-density Ortholite™ footbeds with 5% recycled rubber provide lasting comfort, impact absorption, and performance ride after ride. Weighs 50g.
Sole:
Rebound Bushing™: Adds an additional layer of lightweight cushioning under your heels and toes to help reduce vibrations for the snow and eat up heavy impacts while riding. The secret weapon inside of Union boots.
Midsole: Phylon EVA: Phylon EVA foam offers consistent cushioning and impact absorption underfoot, keeping every step soft, responsive, and comfortably lightweight.
Outsole: X-Grip Natural Rubber: High-performance natural rubber in a thin-profile design maximizes board feel and responsiveness while delivering durable traction on snow and ice.
Additional Features:
Heel Hold: Thermoformed EPDM Ankle Pockets: Cushioned memory foam for a locked-in heel and added support.
Heating: PrimaLoft® + Heat Reflective Foil
Custom-Built Memory Foam Liner