West Coast Shoe Company (WESCO) Boots that Stand the Gaff 1918-2018 (English and Japanese Edition) - Rin Tanaka: 9780988918979 - AbeBooks
Japanese Ninja Tabi Boots | Split Toe Boot - Tans Martial Arts Supplier
Japanese Boots Uno - Etsy Ireland
WW2 Japanese military boots : r/goodyearwelt
M41 Imperial Japanese Army Boots (Brown) - Machinegun
Japanese Jika-Tabi Boots (Black) - Machinegun
JIKA TABI Shoes Boots Japanese Ninja Split Toe Shoes Sole Color: Black, 3 stage | eBay
Japanese construction boots (jika-tabi). Steel toe, thin and flexible minimalist soles (about the same as Vibram Fivefingers), and the split toe allows for toe spread (which improves balance on the job site) :