K2 BFC 100 Ski Boots 2027

The BFC 100 is built around all-day comfort, with a relaxed 103mm fit and hands-free entry. Its 100 flex is smooth and supportive, giving progressing skiers more control as they push on. A heat-mouldable shell and cuff let a fitter fine-tune the fit.

Who it's for: progressing all-mountain skiers who want a roomy boot with more support.

Key features

• TPU Shell – Smooth, progressive flex and dependable power to your edges
• CushFit Comfort Liner – Extra foam in key zones for comfort from the first run
• 30mm Velcro® Strap – Slim power strap for a secure close
• Hands Free Entry – Overlapping shell materials let you step in and out without wrestling the boot
• Fastfit Instep – Softer material over the instep makes the boot easier to get on and off
• High Volume MultiFit Last – Roomy fit shape for wider or higher-volume feet
• Fully Heat-Moldable – Shell and cuff can be heat-moulded by a boot fitter for a personal fit
• Powerfuse Spyne – Y-shaped spine at the rear adds support and stiffness side to side
• GripWalk Outsoles – Rockered, grippy soles make walking in car parks and lodges easier

At a glance

• Flex: 100
• Last width: 103 mm
• Shell: TPU shell, PP cuff
• Liner: CushFit Comfort
• Sole: GripWalk (ISO 23223, removable, pre-fitted)
• Terrain: All Mountain, Piste, Freeride, Powder, Touring
• Ability: Beginner to Intermediate
• Sizes available: 27.5, 28.5, 29.5, 30.5

Size guide