The ProFlex 7991 Cut-Resistant Protective Arm Sleeves feature a breathable, comfortable tungsten fiber knit material that protects arms and wrist with ANSI/ISEA 105-2016 level A9 cut protection. Crafted with a pre-curved design and flex zones in the elbow, these arm sleeves make for a natural and comfortable fit. They also feature a soft neoprene thumb loop and adjustable arm straps to ensure a secure fit that leaves no part of the arm exposed to potential cut hazards. ANSI/ISE