SIDAS Thermo Crt Liner100% thermoformable, this liner is designed for alpine skiing and ski touring. The fruit of 2 years development with the best boot fitters, its internal structure, with adjustable thickness, guarantees comfort and precision after moulding. The removable tongue is thermoformable and can also be replaced by an injectable Sidas flap or a Heat ready heated flap. Specifications: Micro fur upper lining: Optimal comfort Merry mesh lower lining: For greater