Made with genuine Crye MultiCam fabric and certified to EN 20347:2004 safety standards, these ergonomically designed boots are hard wearing and high performing. The upper is a combination of leather and 1650 denier ballistic nylon, with Spider Mesh lining for comfort and durability and TPU exoframe reinforcement for support.The TPU shank in non-metallic so is metal detector safe, there is a Tec-Tuff leather toeguard to resist snags and abrasions and the Spider outsole features reinforced stabilisers and flexible toe fins to silently grip walls. ion-mask is a patented plasma-based technology, originally developed for the UK military, to repel chemicals and protect soldiers from chemical attack.It permanently alters the surface of a product at a molecular level to repel water and other liquids even blood pathogens which are forced to bead up like mercury and simply run-off to protect the wearer.Magnum use the highest density Ortholite: OrthoLite .13, which offers optimum levels of breathability, moisture transport, and anti-microbial function to create a cooler, drier, and healthier environment inside the boot. Ortholite footbeds provide highly resilient support and cushioning, far longer than conventional footbeds, while fighting odour with an environmentally friendly biocide treatment. Ortholite quality footbeds utilise a specialist foam material crafted from an open cell polyurethane layer which has been proven to retain 95% of its cushioning after the first year, opposed to the 30% some of EVA footbeds.These boots utilise SuperFabric materials. These new protective fabrics can be engineered for optimum resistance to cuts, punctures and abrasions while remaining highly flexible. Optional properties such as flame resistance, specialised grip and more, make for a compete customised solution.