Metal-free safety and comfort unite to introduce RotoFlex Composite Toe, the first Blundstone composite toe boot in North America, and the next step in safety science. Blundstone RotoFlex work & safety boots are packed with features including: Fortalite Composite Toe Cap: CSA Grade 1 composite toe cap is lightweight, metal-free and airport friendly. Resists compression to 200-joule impact. Broad fitting and keeps toe shape without restricting toe movement. Less transmission of heat and cold. GripTek Sole: Biomechanically engineered TPU sole designed for optimum grip across an extra wide high-stability sole. Durable and lightweight. Suitable for hard surfaces and graded ground. Fuel oil resistant. Super cushioned midsole, with zoned support for all-day stability and comfort. Aircell Footbed: All new technology for all day comfort. Removable anti-bacterial footbed with specialized zoning activates ventilation, moisture control and cushioning comfort. Metal-free Puncture Protection: GripTekᴴᴰ sole is metal-free and resists even small diameter nails and other objects. Protection to 100% of the surface of the sole. SoftCell Fit System: The SoftCell fit system utilizes a biomechanical design to increase stability, balance, comfort and manoeuverability.