Vulcan TF Ski Boot - Men's by Dynafit Ultra-Lock-System Dynafit Quick-Step-in Shell: Grilamid Cuff: Carbon Fiber/Grilamid Buckle: Ultra-Lock System Forward lean: 15, 18 & Walk-Mode Cuff rotation: 60 Sole: Dynafit Pro Field of use: SkiTouring, SpeedTouring