Blundstone RotoFlex 9020 Boa Lace Safety Boot Max protection and max convenience. The RotoFlex MAX #9020 features the BOA Fit System for customer comfort and a Vibram sole for the toughest of jobs. Features Wheat premium water-repellent nubuck leather upper safety boot—150mm height Unique BOA Fit System for unrivalled on/off convenience. The M4 BOA dial provides the ultimate personalised fit by spreading the aircraft grade stainless steel laces across the full foot and can be adjusted with the simple flick of the highly durable dial. Artico lining for premium comfort—developed to maintain a stable temperature to reduce sweat Heavy Duty TPU moulded toe guard designed for superior leather protection INFINERGY - E-TPU, a super elastic energy foam that is soft but resilient, providing enhanced cushioning and reducing the impact of every step. GRIPTEK MAX - Vibram sole made of Vibram TC4+. Industry-leaders bring the bestengineering and componentry to create a sole with the highest slip rating.- 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