Chase steep lines with confidence on the descent and comfort on the way up. The Shift Supra BOA 105 combines the precise fit of a BOA® system with backcountry-ready features that give you the freedom to hike, tour, and charge. Whether you're skinning to a couloir or lining up for sidecountry laps, this boot adapts to the terrain with solid power transfer, a custom-mouldable shell, and smooth walkability. No compromise, just control and comfort where it counts.
- Polyurethane shell and polyolefin cuff balance power and durability
- Custom Shell HD lets bootfitters heat-mould the shell and cuff for a tailored fit
- BOA® Fit System and ExoBelt lock in the heel and dial in fit without pressure points
- FreeSpine and Twinlock system give smooth walk range and solid downhill flex
- Frictionless pivot and PowerWedge improve stride efficiency and control
- Tech inserts work with pin bindings for reliable touring performance
- Pre-shaped 4D Race liner offers secure hold and customizable comfort
- Sensitive 2 footbed adds heel stability and better ski response
- Removable buckles and hiking hooks let you tweak or repair your fit easily
- GripWalk soles with Contagrip tread provide grip on rock, ice, and bootpacks
