Die-cut 100% cowhide leather booties. Hook-and-loop strap closure on the side. Flexible insole. 100% cowhide leather sole. LEATHER: This product is made of an exclusive material. Any possible marks or color variations are characteristics that confirm the authenticity of the leather. STARFIT® TECHNICAL INSOLE FOAM: Flexible technical insole made of polyurethane foam. Comfort, cushioning, and durability.