Okayama Denim is a web store specializing in Japanese Selvege denim, all of which is produced in the famed denim manufacturing prefecture of Okayama. 6 products Designed by DENHAM. Made in Japan. Free Worldwide Shipping above EUR We love brands that make clothing in the good ol' U.S. of A. There's a sense of pride in wearing it, and you can often expect that pride to last for a long time, as durability is a common theme among American-made garb. That said, there is one piece of clothing we find ourselves occasionally looking overseas for: jeans.