Cushioned refers to the shock absorbing properties that certain materials provide to footwear with the purpose of minimizing shock impact produced when walking or running.
About Metallic:
Metallic refers to a material that represents or resembles metals such as gold, silver, or pewter. Metallic articles are very shiny, and often embellished by metal materials.
About Unlined Slippers:
Unlined Slippers are any styling of slipper without additional layering of materials as liners.