Black Sign is a Japanese apparel brand that specializes in heritage-inspired clothing. The brand operates in Japan and includes footwear in its product range.
Black Sign has produced seasonal collections, including the 2025 Spring/Summer line. The brand's collections focus on heritage-inspired designs.
Black Sign offers clothing items such as pants, jackets, shirts, underwear, socks, caps, and parkas. Product lines have included AHEN Doctor Pants, Linen Canvas Shooting Jackets, Paisley Jacquard Cigar Shirts, Vocalion Waist Overalls, Indigo Denim Pleats Jackets, BS Denim Pants Wide Straight, Military Herringbone Wide Gurkha Pants, Black Chino Wide Gurkha Pants, Military Herringbone Driving Trousers, Playing Animal Full Open Surgeon Shirts, Hakeme Check Engineers Shirts, Ritual Skull Cooling Underwear, BS Crew Neck Cooling Underwear, Wide Border BS Fit Boot Socks, BS Fit Boot Socks, Linen Canvas Antique B/B Caps, EPIC BS Anorak Parkas, and AHEN Doctor Jackets.
No specific information regarding Black Sign's manufacturing processes, construction techniques, or materials used is provided in available sources.