It may be a wingtip, but there's nothing traditional about our OriginalGrand Platform Wingtip Oxford—made in perforated leather paired over a platform of ultra-lightweight FlowerFoam™ cushioning, a proprietary compound made with a minimum of 25% dandelion rubber. Leather upper in Silver Metallic45mm (1.7-inch) fluted platform Textile-covered footbed with antimicrobial properties to help control odor FlowerFoam™ midsole, made from a minimum of 25% natural dandelion rubber