Siberian fur trade best quality fitch fur comes from Siberia. The fitch, or European polecat, is a ferret-like animal, and the corsac is a type of fox that is also found in Siberia. However, these furs are less popular because foxes are common to virtually every fur-trading country in the world. The Siberian ushanka is a full fur hat, consisting entirely of warm fur. It is commonly made out of black foxes, red foxes, silver foxes, shadow foxes, blue foxes, brown foxes, raccoons, martens, or black beavers. It covers the top of the head and comes down to also cover the ears and
Steppe polecat of males is 80–183 mm and 290–520 mm for females. Males in Siberia may weigh up to 2,050 grams, while females weigh 1,350 grams. One giant polecat from Semirechye had a body length of about 775 mm. Overall, specimens exhibiting gigantism are more common than in the European polecat, and occur primarily in western Siberia, where they likely hybridise with Siberian weasels. The winter fur is soft and tall, with short, dense underfur and long, sparse guard hairs. The fur is generally shorter and not as thick as that of the European polecat. The guard hairs are especially well developed