Key Features:

• Materials - HF Premium Synthetic materials are wear-resistant and welded for long-lasting durability, providing reliable performance ride after ride
• Harness Closure - EPDM Ankle Pockets use cushioned memory foam for a locked-in heel and added support.
• Fit/Cuff/ Comfort- The Dual-Dial H4 BOA® Fit System delivers durability, micro-adjustable precision, and quick release
• Valves/Breathability - Mesh Liner provides moisture-wicking comfort to keep feet dry.
• Heat Retention Technology - PrimaLoft® Gold insulation traps heat to keep feet warm without bulk, while moisture-wicking linings pull sweat away to keep them dry and comfortable
• Rebound Bushing™ - A responsive layer of rebounding foam under the heel and toe absorbs impacts, reduces vibrations, and fights foot fatigue without ever losing shape.
• Flex - 8

In-depth Tech Specs:

• Closure System: Dual Zone BOA® - Provides two micro-adjustable zones—upper for flex and stability, lower for response and control.
• Liner: Forma Pro w/ 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
• 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
• Outsole: Vibram® XS Trek Evo - Engineered for stability, comfort, and durability. With multi-surface grip, Traction Lugs, and premium rubber compounds, this outsole delivers confident traction on snow, ice, and hard terrain, season after season.