Magnum Viper Pro Leather Waterproof Men's Boot Textile Clarino Microfibre Upper - Polishable, scratch/scuff proof and three times stronger than natural leather. Ripstop Nylon Mesh Panels - Designed to make the boot highly durable and breathable. Non-Metallic Hardware - Ensuring the boots are scannner safe. Cambrelle Lining - Providing maximum straight out of the box comfort. Modular Ultra-Light Easy Flex EVA Midsole - For additional comfort and support.