THE REVOLVE KF 2026
Karl Fostvedt Pro Model
Back for a second year is the highly popular brain child of K2 Pro Karl Fostvedt, the Revolve KF is one of the stiffest FL3X boot we’ve ever made. Purpose engineered to keep up with the best of 'em, this freeride boot will keep you crushing pillows and boosting wind lips from dawn to dusk.
Details
Fit: Last: 99mm
Flex: 130 – A very stiff flex for advanced to expert skiers.
Liner: Intuition Pro Wrap Liner – Slip into the Intuition Pro Wrap, and experience unmatched ankle retention and pressure-free performance. Crafted out of Intuition® Foam, the Intuition Pro Wrap offers the added comfort and performance your boot is missing.
Shell Materials & Design: Fully Heat Moldable – Both the boot's shell and cuff are capable of being heat molded to a variety of foot shapes for a truly custom fit.
Shell and Cuff – TPU (Thermoplastic Urethane)
Revolve Plus Shell - The Revolve Plus Shell takes the same 99mm last and opens up the toe box for a roomier feel out of the box.
FL3X Series: K2’s FL3X line revives the beloved Full/Tilt Cabrio feel with a modern twist: smooth flex, customizable fit, and solid support—available in a range of shell volumes and purposes from park laps to lightweight touring.
Tongue: Interchangeable. Tongue can easily be removed for tongue with different flex for different type of skiing (bought separately).
Pebax Tongue – Lightweight, eco-friendly material used in the tongue of boot models for energetic and consistent flex across a wide range of temperatures.
Buckles: 3 Revolve Alloy
Power Strap: Elastic Cam Strap
Sole: GripWalk ISO 23223 Outsoles – Removable and interchangeable rockered soles designed to work with GripWalk binding systems for better grip and comfort while walking, standing, and hiking.
Specs
- Ability Level: Advanced-Expert
- Ski Boot Flex: Very Stiff
- Forefoot Width: 99 mm
- Liner Type: Semi-Custom
- Flex Index: 130
- Boot Sole Type: GripWalk (ISO 23223)
- Number of Buckles: 3
- Athletes: Karl Fostvedt
- Warranty: 1 Year