• Vented Microfibre upper. • Double density anti-slip sole. • Anti-torsion F.C.S. (Flex Control System). • Rear F.C.S. cushioned stop for maximum safety. • Vented stainless steel toe sensor. • Injection moulded plastic protections. • Air intake system for personalised air circulation. • Air ventilation pockets. • Velcro and zip closure, with rear buckle pump ratchet closure for superior fit. • Plastic heel cup in reinforced nylon. • Air mesh lining. • Extra soft polymer padding with memory foam. • Polyurethane nylon reinforcements. • TPU Dual Flex midsole. • Anti-bacterial replaceable footbed with APS (Air Pump System).