Black Stallion HS-18T-HY HPPE Knit A4 Cut-Resistant 18 Inch Sleeves with Thumb Slot provides wrist to elbow cut protection. With an HPPE knit blend that includes steel and fiberglass fibers and other composite filaments, the HS-18T-HY offers medium hazard cut protection from wrist to elbow. Hi-Vis Yellow 13G HPPE knit blend with fiberglass keep your arms visible snf protected. 1 inch elastic bicep band with silicone grip dots and a thumb hole keeps sleeve from sliding up or off the arm, without being too constrictive. Finally, it is 18 inch wrist to elbow protection, and ANSI Cut Level A4 (Medium Protection).