Grapple is a 6-tie EH rated, lace-to-toe hiker boot with rich tumbled leather uppers. It features a steel toe cap, padded collar and tongue, Softwair memory foam footbed and is built on a cushioning, flexible EVA midsole. The durable Nitrile rubber sole is slip and heat resistant, while the rubber moulded kick-heel offers ease of access. Details: Safety toe cap offers protection from a minimum 200J impact and 15kN compression force, slip resistant sole reduces the risk of slips and falls on hazardous surfaces, heat resistant outsole offers heat resistance up to 300 Celsius (or 572 Fahrenheit) for 60 seconds, electrical hazard will help protect the wearer against accidental contact with electrical charge by offering additional insulation from the ground, breathable materials used allow the passage of air and moisture, ASTM F2413-11 MI/75 C/75 EH. Material: Leather, Rubber.