Flame Retardant full grain black leather stitched with Coats® FR thread Protective fibreglass toecap and composite anti-penetration flexi-midsole Moisture wicking breathable mesh fabric lining FORCE10® solid nitrile rubber outsole - tested to extraordinary abrasion, heat and cold performance levels Ortholite® climate breathable footbed RF7000 Vulcan High Leg Foundry Safety Boot