Specifications:- Customization shell: C.A.S.- Shell: Polyester (Quick Instep)- Cuff: Polyolefine - Rear spine- Customization liner: C.A.S.- Liner: PERFORMANCE- C.A.S.- Canting: Double canting screwed- Powerstrap: 35mm Power strap- Buckles: 4 micro ALU Lift Lock- Soles: ISO 5355 Bi-material