These Dodo snow boots are lined and water resistant for ample protection from the elements. The toggle adjustment allows for a secure fit around the calf. Please note: due to the thick inner padding, it is advised to order a size larger than usual for a comfortable fit. The boots feature a toggle adjustment for a secure fit around the calf. They are water resistant and warm lined. Upper: TPU/PU/Textile, Lining: Imitation Short Fur, Outsole: Rubber.