Tough jobs require tough boots. If you're working in the world's toughest occupations, you need a pair of boots that are more than up to the job. State-of-the art Sympatex construction provides perfect foot protection for 'hands on' roles within the Chemical Industry and Agriculture. They're virtually waterproof inside and out. Tested for up to 7 hours fully submerged, the MAMMOET M1966 boots also allow feet to breathe properly, keeping them cool and dry.