Nagaileben Co., Ltd. engages in the design, manufacture, and sale of apparels used in hospitals, nursing homes, and clinical operations. It operates through the Medical Wear and Shoes business divisions. The Medical Wear division develops and markets laboratory coats and protective apparel for healthcare workers. The Shoes division supplies medical footwear. The company was founded by Mitsuji Nagai in 1915 and is headquartered in Tokyo, Japan.