The Tarka is a waterproof metal free safety trainer from Amblers Safety. Featuring a 200 joules fibre glass composite toe cap and a non-metallic midsole for impact and penetration resistance.. Fully Non-Metal Safety Trainer. Internal Waterproof Membrane. Moulded TPU Toe Guard for Extra Durability. Moulded TPU Heel Counter for Enhanced Heel Support and Extra Protection. Padded Mesh Collar for Extra Comfort. Reflective Laces. Comfortable, Cushioned and Removable PU Footbed with Arch Support. EVA Midsole Provides Lightness and Enhances Comfort and Shock Absorption Safety Rating: S7S FO HRO SR 200J Composite Toe Cap Composite Penetration-Resistant Midsole Standard Fit Fuel Oil-Resistant Sole 300°C Heat-Resistant Sole Waterproof ESD Sole Shock-Absorbing Sole TPU Heel Guard Safety Rating: S7S FO HRO SR 200J Composite Toe Cap Composite Penetration-Resistant Midsole Standard Fit Fuel Oil-Resistant Sole 300°C Heat-Resistant Sole Waterproof ESD Sole Shock-Absorbing Sole TPU Heel Guard