Blackrock SRC04B Hygiene Slip-on Shoe S2 SRC. Microfibre upper enables machine washing at 40 degrees Celsius, steel toe cap, water resistant, superior SRC slip resistance. Ideal for indoor cleanroom environments such as food preparation, medical and pharmaceutical industries 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.