• Dual density Nitrile Rubber/PU sole construction
• Removable extra thick PU insock
• Fuel and Oil resistant, Non-marking sole
• SRC slip resistant and anti-static sole
• Flex zone technology
• Composite toe cap and TPU toe cover
• Out sole heat resist to 300 degrees Celsius
• 3M Thinsulate 400g thermal insulation
• Meets AS 2210.3:2019 certified by BSI BMP 622279