AUGI Urban Boots AU-4 Blue DenimAUGI Urban Racing Boots AU 4 Blue Denim Upper Denim and Suede leather Lining Comfortable, breathable material Fastener Laces, Zipper and Velcro Stitching Double stitched in high stress areas Sole Natural rubber sole offers excellent grip and allows for natural flex Insole Long Term Cushioning,High Level Breathability, Moisture Management, Antimicrobial Function. Shifter Protector Suede leather Ankle Protectors Nylon protector insert