Sumatra is a collection of Ekuator men’s leather shoes made using goodyear welted construction, one of the best types of shoe construction that has been famous for a long time). this type of genuine derby leather shoes, uses the best quality leather. Not only that, for lovers of brogue leather shoe decoration, you can find decorative details of brogue shoes on the toe wings that extend to the counter, quarter, and back counter. Material: Cow Leather (Full Grain) Construction: Goodyear Welted Model: Derby All of our shoes, produced locally and with magic hands from local craftsmen.