K2 Anthem X 105 BOA Women's Ski Boots 2027

The Anthem X 105 BOA® uses the same women's-specific design as the rest of the X range, tuned for a slightly more approachable feel. The BOA® Fit System makes fitting quick and easy. A 105 flex gives solid support across the mountain.

Who it's for: intermediate to advanced women who want supportive flex and a fast, precise fit.

Key features

• TrueForm Last – Women's-specific shape for better heel hold and a natural fit
• TrueAlign Geometry – Ramp, forward lean and cuff tuned to keep women centred and balanced
• BOA® Fit System – Micro-adjustable dial and laces for quick, precise fitting
• P4 Liner – Comfort-focused, heat-mouldable liner
• TPU Shell – Smooth, progressive flex with consistent response
• PP Cuff – Light, durable cuff with steady support
• 40mm Velcro® Strap – Mid-width power strap for extra response
• Fully Heat-Moldable – Shell and cuff can be heat-moulded for a personal fit
• GripWalk Outsoles – Rockered, grippy soles for easier walking

At a glance

• Flex: 105
• Last width: 98-100 mm
• Shell: TPU shell, PP cuff
• Liner: P4 (heat-mouldable)
• Closure: BOA® Fit System + 40mm Velcro® power strap
• Sole: GripWalk (ISO 23223, removable, pre-fitted)
• Terrain: All Mountain, Piste, Powder
• Ability: Intermediate to Advanced
• Sizes available: 23.5, 24.5, 25.5, 26.5

Size guide