Crispin - Heritage style, modern comfort. The Crispin men’s oxblood calf leather derby is crafted with a smooth leather upper and classic open lacing design for a refined formal look. Its rich oxblood finish, cap toe detailing, and polished silhouette make it ideal for office wear, formal occasions, and elevated everyday styling. Materials: Upper: Calf LeatherInsole: Leather LiningSole: Leather Rubber Sole Finished with timeless derby craftsmanship and a deep oxblood leather tone, the Crispin brings together comfort, durability, and classic masculine elegance.