Yasnole - Men's Black Calf and Hand Woven Calf Leather Derby Shoe feature a open lacing system and leather rubber sole. Black calf and hand woven leather derby shoes with a leather rubber sole sound like a stylish and verstile choice. The leather rubber sole is known for its durability and grip, making it ideal for all weather conditions. The black color provides a classic and versatile look. These derbies are suitable for both formal occasions and everyday wear.