Soviet army "kirsa" high-boots (leather nose, kirsa shaft). Sole protector of WW2 pattern, suitable for reenactment.
Kirsa for boots — leather substitute: rough fabric that impregnated with a synthetic resin from outside. The name comes from Kersey town (Suffolk, Great Britain) where coarse woolen fabric had been produced. It was called in Russian "kersa" before the Revolution.
Boots during WW2 had "pimple-sole", later "tractor-sole" was adopted. Archeological findings show that first variations of "tractor" had already been used during the war.