Yohji Yamamoto Mens Tops. Fashion category: Shirts & Blouses. SKU: HJ-B06-001-02. Color: Black. Yohji Yamamoto Black Triple Collar Button Up Shirt. This shirt features three collars, a front button closure, a chest patch pocket, long sleeves with buttoned cuffs, chain stitch details, and an asymmetric hem. Materials: 100% cotton.