Introducing RotoFlex, the first 100% metal-free Blundstone composite toe work boot in North America, and the next step in foot safety science. RotoFlex features an entirely new sole design, GripTekᴴᴰ for optimum grip using a unique TPU tread pattern across an extra wide, high-stability sole. Product Details Style: 8302 Upper: Weatherproof leather Sole: TPU tread pattern with extra-wide GripTek sole for protection, traction and support. Lining/Insulation: Synthetic lining Footbed: Removable antibacterial AirCell footbed with pressure cells that cushion and pump air under the arch and toes where sweat can build. CSA: Grade 1 Composite Toe, Composite Plate, Electric Shock Resistant (ESR) Height: 6" Size Range: Men's 3-12, 13, 14, 15 / Women's 5-11 Fit: Regular Work Conditions: Medium Duty