Material Composition: Leather/Other Materials/Other Materials Upper Outer Material: 100% Cow Lining Material: OrthoLite Sole Material: 100% Rubber/Plastic Fastening: Lace Up Features: Removable Insoles Break boundaries in the all-new TRVL LITE London. With a lightweight dual-density cupsole, TOMS signature TRVL LITE technology that creates a next-to-nothing feel, superior durability and unparalleled comfort. Lace up boat upper on TRVL LITE Outsole, Suede uppers, Unique cupsole built from ultra-lightweight blended rubber-EVA compound Toms TRVL LITE London | Ultimate Grey | Mens Classic Lace Shoes