The E-Tailor project (Integration of 3D Body Measurement, Advanced CAD, and E-Commerce Technologies in the European Fashion Industry (Virtual Retailing of Made-to-Measure Garments, European Sizing Information Infrastructure) is the largest project in the European Fashion Industry and one of the largest projects in the Information Society Technologies (IST) programme under the fifth framework programme of European research. E-TAILOR aims to develop advanced infrastructures, which will establish a new paradigm for Virtual retailing services of customised clothing (under Action Line (AL) II.3.3- personalisation of goods and services and AL IV.4.1 real-time clothing simulation and visualisation). In addition to presenting the E- Tailor project, this paper will concentrate on work being carried out in relation to innovative and secure Smart card applications being developed in E- TAILOR.