Experience ultimate cold-weather protection with PrimaLoft insulation, ensuring warmth without extra weight. Enjoy all the stabilization and control with anatomical heel construction and Millennium Fit, designed for both sneakerheads and casual wearers. The YKK Zip closure provides reliable and smooth operation, while the X2NC sole with stiffness 7 and grip sole insert deliver peak performance and enhanced control. Reinforced toes and heels guarantee durability, making it unmistakably Sidi.