Japanese denim is costly, but it's considered one of the best denims in the world. Here's why.

A pair of typical blue jeans might not cost you much, but it could set you back a few hundred dollars if it's the renowned Japanese selvage variety. Japanese denim from a brand like Momotaro in Kojima, Japan can cost over $2,000. Today, Japanese denim is often regarded as one of the finest types of denim in the industry. So what's so special about Japanese denim? And why is it so expensive?