Upper Material: Water repellent nubuck Laces: BOA lace system Tongue: 100% post consumer recycled polyester Collar: 100% post consumer recycled polyester Footbed: Activ-Step® natural rubber and 100% post consumer recycled top mesh footbed. Lining: Activ-Tex® moisture wicking breathable membrane and lining made with 60% post consumer recycled content Outsole: Womens fitting shock absorbing nitrile rubber outsole. Protective Toecap: Fibreglass toecap Protective Midsole: Composite anti-penetration flexi-midsole ESD Oil Resistant Women's Fit Heat Resistant Outsole To 300c 100% Non-Metallic Construction Fully Waterproof RF720 Womens Hurricane ESD Boa Safety Boot