F4.0

#119416
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No-Limit Lacing

No more pushing and pulling to get a good fit, F4.0 introduces a new low-impact, high-speed lacing system that puts hustle ahead of muscle. 3-Power panels and a fused liner form to your foot in one single pull of the lace; in one motion your foot is wrapped in a low-profile, running shoe-inspired boot.

Tech & Sizing
Boot Flex
4
Boot Lacing
3D Web Lace
Boot Outsole
Aero
Boot Footbed
Conform'able
Boot Concept
Fusion Exhale
Boot Foam
Self Gel +
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