Description of Dalbello Krypton Cross Ski Boots More forgiving than the Krypton Pro the Cross’s lightweight construction coupled with Dalbello’s I.D. Thermo Custom Fit System and Anti-shock footboard create a freeski boot design that is perfect for the elevated park, pipe, and freeride skiers in need of stomping big airs. The Krypton Cross is slightly more forgiving in fit and function than the Krypton Pro. Features: Fit System: RUFIT Ceramic Custom Fit Flex index: 8 15 Cabrio Design: D-62 P.U. Shell/Cuff Kinetic Response Tongue - Medium Flex Dynalink Rearfoot Retention F-100 Alu Buckles - 3 Microadjustable Forward Lean Control Forward Flex Control Twin Canting Anti- Shock Footboard