From Dr. Scholl's, the Veda Perforated Slip On Loafers ferrature: Perforated fabric upper Slip on Fabric lining partially made from recycled materials; partially recycled toe box and heel counter Anti-odor Insole Technology with cushioning, comfort, & support  Ultra-flexible soft, lightweight synthetic outsole that moves with you Approx. 0.75" stacked mini wedge height Imported.