Removal of all internal seams and pressure points for superb close to foot comfort Water resistant leather and breathable nylon upper Cosmo Lunar lining with 3mm Magnum Ultra Foam backer Neoprene elastic zip cover and liner 10 Gauge YKKà -  non-metallic zip Duel Layer Memory Foam / PU footbed Wide Profile steel toe cap Ghillie lacing system TPU toe bump Nylon (non-metallic) shank ARZ+ Pad Technology TPU outsole, PU midsole 130°degree Celsius heat resistant Fuel oil and slip resistant Anti static Certified to AS/NZS 2210.3:2009 Materials Leather and breathable nylon upper