last : 97 flex index : 90 shell - technology : dual core shell - material : poliuretano shell - bootboard : schiuma di poliuretano rigido shell - spà©cifications : dual core cuspecifications : gambetto corto cumaterial : poliuretano liner - technology : racing fit buckles - technology : ganci da gara liner - powerstrap width : 40mm buckles - adjustment : 4 micro buckles - additional functions : ganci regolabili in 3 posizioni liner -tongue : linguetta ultra avvolgente power wrap con puntale monoscocca buckles - material : 100% alluminio additional functions - canting : inclinazione