The Black Stallion KS-23-YL is the DuPont Kevlar Knit A3 Cut-Resistant 23" Inch Sleeves which offer Kevlar cut & flame resistance. DuPont Kevlar is lightweight & incredibly durable. In addition to being extremely cut resistant, Kevlar is inherently flame resistant. Kevlar will not ignite, melt, or degrade in heat. Thanks to it's double-layer DuPont Kevlar knit, the KS-23-YL gives 23 inch wrist to bicep protection and has a ANSI Cut Level A3 (Light-Medium Protection).