The Rieker Felicitas 43 is a robust zip & lace-up boot and is a great companion for the winter. It is made of imitation leather and very pleasant on the foot. A fleecy warm lining from fleece ensures well-being. Adjustable Lace Closure 1.5 Inches Heel Height Removeable Insole TPR (Thermoplastic Rubber) Outsole Synthetic Upper