BUILT TO WORK: steel toe cap protects against impact from falling objects and against compression, giving 200 joules of protection - equivalent to dropping 20kg from a height of 1m or a weight of 1.5 tonnes resting on the toe area IDEAL FOR: indoor cleanroom environments where a high standard of hygiene is important such as food preparation, medical and pharmaceutical DURABILITY: machine washable at 40°C to ensure clinical and food industry hygiene standards are maintained, also features a self-cleaning, anti-slip dual-density PU/PU sole that is resistant to fuel oil, so it won't degrade, stain, or retain grease that would otherwise cause slips and trips SAFETY FEATURES: other features include energy absorbing heel that reduces foot fatigue; anti-static sole that minimises the build-up of electrostatic charges; slip resistant sole SIZING: Blackrock safety footwear is designed with a wide fitting, please take this into account when choosing your size; you may wish to move down one UK/EUR size CERTIFICATION: safety rating S2 SRC - Blackrock footwear is rigorously tested and certified by intertek so you can rest assured it is legitimate and will keep you safe, check the declaration of Conformity in the image gallery, which includes the certificate number MORE INFORMATION BELOW: in the 'From The Manufacturer' section - click on 'See More Product Details' or scroll down