Boots Wipe With A Damp Cloth 100% Wool Lined 100% Thermo Rubber Sole Flexible The Warm Merino Wool Lining Of The Dell Keeps Your Feet Warm And Cozy. The Soles Have A Rounded Toe Shape With A Heel To Toe Cushion Insole And Aquastop Membrane So That Your Feet Stay Comfy And Dry And The Inside Zipper Makes It Easy To Get On And Off.