Flex: 130Soles: ISO 9523 with low tech inserts, VIBRAM rubber Shell: Grilamid Cuff: Carbonfiber co-injected (Carbon-Pebax) Liner: ULTRALIGHT - LIGHT FIT , with laces Buckles: 4 light Magnesum Spoiler: no Powerstrap: 35mm light with hook Canting: NO Ratchets: double hicking hook Mobility Cuff: Double Hook Self Adjusting System