Flex: 100Last: 100Customization shell: C.A.S.Sohle: ISO 5355 Shell: Polyether (Quick Instep) Cuff: Polyolefine - Rear spine Customization liner: N.F.S.Liner: SPORT- N.F.S. Schnallen: 4 micro ALU easy adj. top cuff ratchet Lift Lock Powerstrap: 35mm Power strap Canting: Double