High Cut, Synthetic Leather Upper Soft Fabric Interior Lining For Comfort Unique Color-blocked Heel Design Durable Rubber Outsole Padded Tongue And Collar For Support William Rast Was Founded By Childhood Best Friends - Justin Timberlake And Trace Ayala. The Name Derives From Both Justin And Trace's Grandfathers, Making The Brand More Personal And Rooted In Their Family Heritage. Think Tennessee Meets Hollywood, Rat-Pack Meets James Dean. This Shoe Features A Synthetic Leather Upper, Topping Off With A Color-Blocked Heel Design.