The fabric uses HPPE (high strength polyethylene) and glass fiber to achieve superior cut-resistance and blade resistance. Its safety performance is certified to cut resistance level 5, tear resistance strength level 4, and abrasion strength level 4 (both the highest) by the world standard. It also has a medium level of puncture resistance to a level 3 for superior breathability and comfort. *Note: Please note that it does not completely block sharp edges and spurs. Polyurethane coating throughout palm It does not slip even if it gets greased, and the excellent grip allows you to use it for detailed work.