The Sidi Heimx cycling boot provides weather resistance and durability with the new Gore-Tex EPE Membrane with Ripstop, providing a flexible and scratch-resistant fit. Enjoy ultimate stabilization and control with anatomical heel construction and Firmor lateral support technology, all without the extra weight. The Millennium Fit ensures comfort and stabilization for everyone, while high-density Dyneema dials offer a personalized fit. The X2NC sole with stiffness 7 delivers the perfect balance of riding and comfort, complemented by grip sole inserts for enhanced control. Reinforcements on the toes and heel ensure lasting durability, making it unmistakably Sidi. Gore-Tex EPE membrane with Ripstop and anatomical heel construction Millennium Fit, this new system measures the length of the foot in centimeters, from the heel to the big toe, ensuring a more precise and comfortable fit1. It aims to provide better stability and comfort, enhancing overall performance and reducing foot fatigue X2NC sole with stiffness 7 and grip sole insert Firmor lateral support technology with reinforcements on toes and heel