Blundstone RotoFlex 9090 Zip Side Safety Boot Introducing the pinnacle of the RotoFlex range, the MAX # 9090. Where style meets the pinnacle of safety, this penetration-resistant boot is built for the toughest of the tough. Features Wheat premium water-repellent nubuck leather upper safety boot—150mm height Non-metallic penetration resistant insole Seven rows of lacing hardware, including lace locking device Durable, heavy duty zip with industrial grade zip fastener Artico lining for premium comfort. Developed to maintain a stable temperature to reduce sweat. Full Kevlar stitching for ultimate abrasion resistance Heavy Duty TPU moulded toe guard designed for superior leather protection GRIPTEK MAX - Vibram sole made of Vibram TC4+. Industry-leaders bring the best engineering and componentry to create a sole with the highest slip rating.- rubber outsole heat resistant to 300 ̊C- fuel oil resistant- excellent abrasion, cut and slip resistance FORTASHIELD - broad fitting, cut-resistant steel toe cap tested to resist a 200 joule impact. AIRCELL - uniquely constructed zoned airflow footbed is designed with specialised breathing channels to activate ventilation, moisture control and provide full-body cushioned comfort. The footbed is anti-bacterial, washable and breathable. SOFTCELL - the overarching comfort system utilising a combination of specialist materials and the unique biomechanical foot-cradling design to increase stability, balance, comfort and manoeuvrability. Designed to reduce the risk of trips, slips and falls.