The K2 BFC BOA 100 2027 Boots offer the perfect balance between generous comfort and all-mountain performance — featuring a heat-moldable TPU shell, micro-adjustable BOA®, a responsive 100 flex, and a 50° walk mode for full days at the resort without compromise.
Performance and construction
- Heat-moldable 2-piece TPU shell: progressive and balanced flex with high durability and reliable power transfer in all temperature conditions
- Lightweight PP cuff: consistent flex and reliable support — comfort and control without added weight
- Powerfuse Spyne: co-injected "Y" support on the back maximizing fore-aft flex efficiency and lateral stiffness for responsiveness on all terrain
- BOA® Fit System: micro-adjustable dial, ultra-durable laces, and low-friction guides for a precise and secure fit in all conditions
- Heat-moldable Cushfit Comfort liner: extra foam in key areas for increased comfort and improved compliance from the very first run
- Après Mode 2.0: walk mode with 50° range of motion — the rear lever unlocks the cuff for maximum comfort between runs and while walking to the chairlift
- Adjustable 50 mm cuff: customizable calf circumference adjustment for optimal hold
- FastFit Instep: softer TPU in the instep area for quick and easy entry
- Hands Free Entry: dual-material overlap for hands-free entry and exit from the boot
- 40 mm velcro strap: responsive cuff closure with good feedback without adding bulk
- Removable GripWalk outsole: ISO 23223 rockered sole pre-installed for natural and comfortable walking
- Fully heat-moldable: shell and cuff adaptable for a custom fit
Fit and compatibility
- Flex: 100
- Width: High Volume MultiFit Last (103 mm)
- Sole: GripWalk ISO 23223 (pre-installed)


