A worker processes semi-finished valenki, traditional Russian footwear made of raw wool, at a factory in the town of Kalyazin, 160 km (100 miles) north of[Moscow], December 23, 2005. Valenki, specifically designed for extreme frosts typical for Russian winter, remain popular in rural areas and sometimes become top hits in [fashion] collections popular abroad. The factory produces 176,000 pairs of boots a year.