Shell material: PolyurethaneCuff material: PolyurethaneLast width: MN (medium-narrow)Flex index: 80Wedge: 43mm FIS ApprovedCuff profile: JrLiner: Performance Fit JrFoot bed: Performance Pro JRBuckles: Integrated Profile 4 Micro Alu 2 servo-lock on cuffMacro adjust: Screwed-on RatchetsVelcro strap: 35 mmRear spoiler: Quick SetSole height: 45 mm