Very comfortable design. Ideal for winter fishing. Freely dress for any voluminous warm winter boots. Made of frost-resistant rubber. Unique patented development, tested in difficult conditions of polar expeditions and extreme rescue operations. Has recommendations on the effectiveness of use in the icy conditions as a means of preventing injuries. To ensure that the soles serve for a long time, it is necessary to remember the following: the soles protecting from the ice are intended for walking on a slippery surface, when walking along a good road, they must be removed.