The AS503 Elder is a non-metal safety boot with a leather upper, a fibre glass toe cap and a anti-penetration non-metallic midsole. Fully Non-Metal First Safety Boot Made with 57% Recycled Pre-Consumer Leather Recycled Mesh Lining Recycled Mesh Tongue and Padded Collar YKK Side Zip for Easy Access Recycled Mesh Lined Romovable PU Footbed Moulded PU Scuff Cap for Extra Durability Injected PU Midsole Enhances Comfort and Shock Absorption 15% Recycled Rubber in Outsole Outsole Heat Resistant to 300 Degrees Oil Resistant Outsole UKCA DOC EU DOC