Ideal for indoor cleanroom environments such as food preparation, medical and pharmaceutical where there is a risk of slipping on wet or dry tiled surfaces, Blackrock's Hygiene Slip-On Shoe features a steel toe cap and water resistant microfibre upper that can be machine washed at 40C. The lightweight, anti-slip PU sole is self-cleaning, anti-static and resistant to oils, acids and fuel oil. Machine washable at 40C Steel toe cap with anti-slip, self-cleaning sole Energy absorbing heel reduces foot fatigue Safety rating EN20345 S2 SRC Ideal for indoor cleanroom environments where a high standard of hygiene is important such as food preparation, medical and pharmaceutical 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 Machine washable at 40°C to ensure clinical and food industry hygiene standards are maintained Other features include: energy absorbing heel that reduces foot fatigue; and slip resistant sole SIZING - Blackrock safety footwear is designed with a wide fitting to allow for thick boot socks to be worn. Please take this into account when choosing your size; you may wish to move down one UK/EUR size if wearing regular socks 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