This study was conducted to examine the mechanical and functional properties of fabrics for Korean folk clothes (KFC) which have reflected several advantages such as natural features and life style, by means of KES-FB system with 160 kinds of fabrics for KFC. Silk fabrics are superior to polyester fabrics in surface properties and shear elasticity building box-shaped silhouette. On the other hand, polyester fabrics show sufficient ability to recover from bending deformation.