Rainbow Toe Socks Split-toe Socks japanese Style Unisex - Etsy Canada
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) :
LUNA Polar Feet® Tabi Socks | LUNA Sandals
Men's Flip Flop Socks Tabi Split Toe Geta Wicking Cotton Pack of 4 : Amazon.ca: Clothing, Shoes & Accessories