Polar Bear Boots Felt boots (Valenki) for Siberian winter. Designed by COMPANY / Johan Olin 2012 Manufactured in Kalyazin, Russia by Tamara, Irina, et. al. Material: Felt (lamb wool), rubber (galoshes), leather (nails). Size: 310 (44-45), 300 (43-44), 290 (42-43), 280 (40-41), 270 (39-40), 260 (38-39)