Style 44-535 Lace Up Boot COMFORTcushion PU/PORON Impact Absorption System - reduces leg and lower back fatigue Fully Lined with Padded Comfort Collar and Tongue Lightweight Dual Density Thermo Plastic Urethane (TPU) Sole, Heat Resistant to 130º Celsius and Resists Exposure to most Acids and Chemicals Anti Static Sole NANOlite Footbed Massages your feet as you walk, promoting greater blood flow to help reduce fatigue Silver Hi-Viz Trim for Greater Visability Wide Profile NATUREform Type 1 Non-Metallic Composite Toe Cap Heel Protection Guard Nubuck Leather and Fabric Upper Colour: Blue/Grey