The AS504 Aspen is a non-metal safety shoe with a recylced leather upper, a fibre glass toe cap and a anti-penetration non-metallic midsole. Fully Non-Metal First Safety Shoe Made with 57% Recycled Pre-Consumer Leather Recycled Mesh Lining Recycled Mesh Padded Collar Recycled Mesh Lined Romovable PU Footbed Injected PU Midsole Enhances Comfort and Shock Absorption 15% Recycled Rubber in Outsole Outsole Heat Resistant to 300 Degrees Oil Resistant Outsole Antistatic Energy Absorbing Heel UKCA DOC EU DOC