100% cowhide leather sneakers. Wide, flexible flat sole with space for the toes. Double adjustable adhesive strap closure. Flexible insoles and fleece interior lining. Rubber soles. LEATHER: Made with high quality leather. Any wrinkle or irregularity is a natural characteristic of the leather, which makes each piece unique. STARFIT® TECHNICAL FOAM INSOLE: Flexible technical insole made with polyurethane foam. Comfort, cushioning, and durability.