The K2 Mindbender 110 Alliance is an all-mountain women’s ski boot built to bridge the gap between piste performance and off-trail exploration. It’s part of K2’s Alliance line, offering a blend of precision and comfort for skiers looking to tackle varied terrain without switching boots.
With a 98 mm last, this boot delivers a snug, low-to-medium-volume fit that helps reduce unwanted movement and improves power transfer. The Flex 110 rating provides a responsive, supportive feel underfoot, so you can hold an edge confidently at speed. At approximately 1640 g per boot (size 24.5), it strikes a balance between stability and manageable weight for longer days on the hill.
The Flex 110 designation indicates a stiffer shell, suited to intermediate and advanced skiers who want more direct feedback and control. Simply put, a higher flex number means the boot resists forward flex more, giving you greater precision when you carve or ride bumps, while lower flex boots prioritize comfort and ease of movement.
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