Redesigned step-in construction teams up with our exclusive seamless liner to make the S/PRO the most comfortable boot Salomon has ever made.Introducing the Coreframe 360, you can now customize the cuff, shell and liner to enjoy Salomon's most tailor-fitted boot.A combination of Salomon's performance-boosting Coreframe, Sense Amplifier and Sense Strap technologies provide progressivity and rebound through the turns.