Blending the function of natural dyes, artisanal craftsmanship and traditional Japanese dyeing methods, the Shokunin of Amami-Oshima, have gone above and beyond in the tie-dyeing of each tee. The process involves two steps, with the garments first being soaked in a bath where the natural dye is extracted from boiled wood chips. The signature rusty brown colors are the result of a chemical reaction that occurs when the garments are soaked in iron-rich mud, by extracting and infusing the mud into the fabric.