A formable orthopedic device having at least one first configuration and at least one second configuration, the second configuration being adapted to provide support to at least one limb, the device being made of a thermoplastic polymeric material selected to have an elastic modulus of at least about 1500 MPa when measured according to ASTM D638, a glass transition temperature (Tg) of between about 65°C and about 120°C, and elongation to break of at least 75% when measured according to ASTM D638, the device being capable to be formed into the second configuration by heating the device to said Tg.