Naigai Co.,Ltd. is engaged in the planning, manufacturing, wholesale, and global import and export of textile goods. The company offers a diverse range of hosiery and innerwear, encompassing socks and pantyhose for men, women, and children, alongside other apparel. With a legacy rooted in 1920, Naigai emphasizes high-quality, comfortable, and durable products, utilizing its NAIGAI Lab for innovation and research. They focus on developing advanced legwear solutions designed to address various concerns for a broad market, including specialized products for women's health, the elderly, and individuals with disabilities. The firm also operates a mail-order segment for its textile and leather items and serves department stores and mass-market retailers. Naigai is headquartered in Tokyo, Japan.