- Fabric: Suede, nubuck, or leather upper - Elastic laces - Mesh lining - Foam padded tongue and collar for comfort and support - DC's trademarked pill pattern tread - Abrasion -resistant rubber outsole - Vulcanized construction. Vulcanized construction with elastic laces, mesh lining, foam padded tongue and collar for comfort and support. Has a DC's trademarked pill pattern tread, and abrasion-resistant rubber outsole.