Protective toecap and midsole, Chicago is lightweight and developed with premium materials including an Activ-Step shock absorbing dual density PU outsole. Upper Materials: Water repellent tan leather. Protective Components: Protective steel toecap and stainless steel anti-penetration midsole. Internal Linings: Moisture wicking breathable fur lining. Outsole: Shock absorbing dual density PU outsole. Footbed: Anti-fatigue EVA footbed. Safety Specification: EN ISO 20345:2011 S3 SRC. Available Size Range: UK 3-16.