A 100% metal-free, flexible safety trainer with 200 joules composite toe cap, superb shock absorption for great comfort and non-metal penetration protection Nubuck Leather Upper Moisture Wicking Breathable Mesh Lining 200 Joules Fibre Glass Composite Toecap Anti-penetration Non-Metal Midsole Fully NON-METAL Padded Mesh Tongue Removable PU Foam Footbed Cemented Phylon/Rubber Outsole