Trainers from Skechers. Exterior of synthetic & mesh. Lacing at the front. Inside of fabric, removable insole with Ortho Lite. Ultralight Travel Lyte (R) midsole provides supple cushioning & dynamic rebound for maximum comfort. Dynamic flex-grooves in the outer sole provides good grip. The shape of the sole helps you work out calves & thighs as you walk in these shoes. Outer soles in rubber. Extra blue shoelaces included.