Rikio Fighter Shimebuto Black Jikatabi (Wide Calf Outdoor Tabi) Imported from Japan. Rikio is a famous brand of outdoor tabi in Japan. Toe Devided boots. Ninja Training boots, Working Boots of Japanese Carpenter and etc. Durable 100% Cotton Construction, Flexible Rubber Sole, Authentic 12 Kohaze (metal tab) fasteners. Shimebuto means that is the wide calf type. Shaft height and circumference will be displayed after the size is selected.