Model [ DR 1048M309]Dr.Martens CALAMUSLO ST SHOES BLACK DR1143Non-metallic 5-tie, S1 rated athletic lo-cut. Constructed using lightweight, flexible moulded rubber and breathable synthetic uppers, moisture wicking lining, anti-static properties and Agion® treated anti-bacterial, memory-foam Softwair footbed. Lightweight EVA midsole for flexible cushioning cemented to a rubber compound outsole that provides heat and SRC rated slip resistance. A padded collar and tongue add to the internal comfort and an external rubber toe bumper ensures additional durability and protection. Standard: EN IS0 20345:2011 S1 SRC HR0