|Men's Shoe Size (US)|
The X 18.1 is built for the speed player looking for that quick first step. With F50 adiZero-like vibes to it, the latest X 18.1 is the perfect speed boot for anyone looking to take their game to the next level.
A SpeedMesh upper offers an extremely lightweight and second skin-like fit with a barefoot-like touch on the ball. The seamless Claw Collar offers a non-restrictive fit around the ankle, allowing you to move freely.
An off-center lace system allows you to tighten your laces as you see fit, making the boot fit you exactly how you want.
Molded heel for stability, while padding in the internal part of the heel offers a customized and cushioned fit.
SpeedFrame outsole for lightweight traction and stability on firm natural surfaces.