The SpeedKnit Shield C4 is constructed with a seamless 18-gauge nylon shell that protects working hands with EN 388: 2016 Level C & ANSI A4 cut resistance.SpeedKnit Shield C4 Waterproof Cut Resistant Gloves (Medium, Blue) We double-dipped the outer shell to protect the back of your hands from oil and other liquids from sneaking in while you work..