The Penny Loafer – Brown Calf | Goodyear Welted | MORJAS。MBT Brown Leather Penny Loafer Ortho Shoe Size 46/12-12.5. Condition: preowned, barely worn, as pictured, in excellent like new condition. See photos for more details. Always open to reasonable offers ☕️?? Masai Barefoot Technology MBT Each pair of Masai Barefoot Technology (MBT) Shoes comes with an insole made from high quality foam creating a layer of orthopedic padding that provides extra cushion with every step. This along with the MBT patented heel sensor helps to reduce impact on knee and hip joints making them ideal orthopedic shoes.