Two Reasons Ninja Shoes Have a Split-Toe — Fried Chicken & Sushi
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) :
Yamato Budogu | Traditional Jika Tabi
Ninja Tabi Shoes, Summer Cotton Fabric Boots, With Leather Art Applique, Gemstone, Black or White Color. - Etsy
Cool Japanese TABI Boots Ninja Shoes Long US 6.5 to 11 Authentic | eBay
Ninja Tabi Boots - Walmart.com
Ninja Boots Ninja Shoes Black Jika-tabi Kunoichi Japanese Genuine Marugo | eBay