Cowhide leather boots with wide edge detail. Side zip and adjustable lace-up closure. Fleece lined interior. Flexible insoles. Rubber soles. LEATHER: The material used to make each product has its own unique features. Any possible markings or color variations are signs of the authentic nature of the leather used. STARFIT® TECHNICAL FOAM INSOLE: Flexible technical insole made with polyurethane foam. Comfort, cushioning, and durability.