日本剣術教室. Nihon Kenjutsu Kyoshitsu, or "Japanese Sword Arts Study". This is the official 2023 design, featuring a new circle logo with the character for 刀 Katana in the center. This design features a smaller version of the art on the left chest.
Available in unisex adult sizes S-3XL, printed on Gildan G500 heavy cotton 5.3 ounce t-shirt (100% preshrunk soft cotton). Choose either black shirt with white print or white shirt with black print.