K2 · Ski & Snowboard

K2 FL3X Revolve Pro Ski Boots 2026

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$485.96

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Price tracked since Jul 17

About this product

The K2 FL3X Revolve Pro is an alpine ski boot designed for intermediate to advanced skiers who favor park terrain and mogul runs. Built around a TPU (Thermoplastic Urethane) shell and cuff, the boot delivers a flex index of 100, which sits in the medium-stiff range for responsive yet forgiving performance. The 99mm last offers a slightly narrower than average fit, and the ISO 5355 alpine sole ensures compatibility with standard DIN bindings. Inside, the semi-custom Intuition Pro Wrap liner uses Intuition foam to provide strong ankle retention and pressure-free comfort, and it is heat-moldable for a personalized fit. Three Revolve alloy buckles paired with a tapered one-piece Velcro power strap handle closure and fine-tuned support. The tongue is constructed from Pebax, a lightweight, eco-friendly material that maintains consistent flex across varying temperatures. A one-year warranty is included. Available in size 23.5, among other sizes.

Category: Ski & Snowboard
Brand: K2
Size: 23.5
24.5: 1708
Cuff: TPU (Thermoplastic Urethane)
Sku#: EB-266113-1002
Sole: ISO 5355 Alpine Soles
Type: Alpine Ski Boots
Boa®: No

What people are saying

Reviewers consistently praise the K2 FL3X Revolve Pro as one of the lightest freestyle boots available, making it a go-to choice for park skiers and mogul enthusiasts who value maneuverability. The fully heat-moldable Revolve Shell and Intuition Pro Wrap liner earn repeated praise for delivering a customizable, snug fit with solid ankle retention. The 3-piece design and 100 flex are widely regarded as ideal for freestyle performance across park, rails, and moguls. The most common criticism centers on the narrow 99mm last, which can cause pressure issues for skiers with wider or higher-instep feet. Some users also note that the 3-piece shell is difficult for bootfitters to modify in the instep area, limiting fit adjustments for those with non-standard foot shapes.

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