The Purofort+ Expander Full Safety boot combines comfort and safety. The lightweight, flexible upper material is hard-wearing and insulating, while the outsole offers optimum slip and abrasion resistance. It features a special toe area for better grip when walking. The Purofort® upper material is chemical resistant, and it has a premium PU insole. The Vibram® XS Work outsole is black and provides shock absorption in the heel area.