rugged flexibility The durable Truper was designed to combine stability, dynamic response and two flexible size ranges to take on the toughest of childhood challenges. The foot’s dynamic response stores and releases energy for a smooth and controlled transition from standing to running. GROWTH CAPABILITIES HIGHLY DURABLE TRI-AXIAL FUNCTION product specifications MOUNTING FOOT SHELL *INCLUDING FOOT SHELL *The listing of codes with these products should not be construed as a guarantee for coverage or payment. Ultimate responsibility for the coding of services/products rests with the individual practitioner.