Kamo Textile’s BS Fine material combines natural black silica with advanced fiber design to offer comfort, regulation and relief, while delivering unmatched quality.

By Daniel de Bomford, Bernard Thompson and Cian O Niell
From humble beginnings on the outskirts of Okayama, Kamo Textile is creating apparel with innovative materials, while managing the entire process in-house, from raw material to sales and aftercare. Its president, Yohei Kadono, believes the company’s BS Fine material, made from natural black silica, will contribute to healthier, more prosperous, and fulfilling lives.
“BS Fine is a fabric designed to help bring the body back to its natural temperature state,” Kadono says. Whether you're too warm or too cold, the fabric responds to support the body’s ideal state.
Originally developed to create perfect underwear, the textile now supports a broader mission: to address issues such as poor sleep, fatigue and cold sensitivity across all age groups. The company offers a range of products, from innerwear and leg warmers to bedding and seat cushions, all leveraging BS Fine.
Kamo Textile manages every step of production in-house, from mining black silica in Hokkaido to product design and direct sales. This vertical integration allows the company to maintain strict quality control and respond quickly to consumer feedback.
While the firm began as a subcontractor for leading brands, it has since grown into a developer of proprietary functional materials. Over the past decade, it achieved 2,000 percent revenue growth by combining science with targeted marketing.
The company has launched pop-up stores in Thailand and is eyeing markets in Finland and Taiwan. At the same time, its research team, which includes advisors from leading universities and major manufacturers, is testing new applications in sectors ranging from health care to electronics.
Still, Kadono sees broader potential. “We’ve recently entered the B2B space,” he said. “We’re also working with global partners to create new applications.”
“Our goal is to be seen not just as a clothing brand,” Kadono said, “but as a global materials company grounded in science and driven by purpose.”

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