Tecnica Mach Sport 85 HV Ski Boots - Women's: Shell: C.A.S. PU (double Quick Instep) Cuff: Polyolefine, Cuff Adapt Liner: SPORT - N.F.S. - Celliant - Thermoforming Collar Canting: Double Ratchets: Adjusting top cuff ratchet Powerstrap: 35 mm strap Buckles: Mach Sport buckles, Lift Lock, adj. Top ratchet Soles: ISO 5355