Founded in 1940 in Kojima, Japan, Big John stands as one of the true pioneers of Japanese denim. Originally established as Maruo Clothing, the company played a crucial role in shaping Japan’s denim industry—producing the country’s first domestically made jeans and later becoming the first to develop selvedge denim with slub yarn. With decades of innovation behind it, Big John blends heritage craftsmanship with forward-thinking textile development. Today, the brand continues to push boundaries while honoring its legacy. From sustainable fabrics like Yoshidenim—crafted with recycled reeds—to premium organic cotton blends sourced globally, Big John represents the perfect balance between tradition, innovation, and responsibility. Each garment reflects over 80 years of expertise, making Big John a cornerstone of authentic Japanese denim culture.