Litvi - Men's Black Calf Leather and Kid Suede Leather Derby Shoe is constructed on our signature last 626. A black calf leather and kid suede derby shoe with a leather rubber sole sounds like a stylish and versatile choice. While the kid suede material typically offers durability and a refined appearance. This type of shoe can be a versatile addition to a wardrobe. The leather rubber sole provides grip and comfort for all-day wear. The derby style is classic and suitable for both formal and casual occasions.