The tapered knit, at both ends, fit is combined with out STAYz-UP[TM] technology an elastic armband with polymer dots that essentially eliminates any sliding or slipping of the sleeves. Fully washable. They are knit with a high-tenacity filament yarn that offers tough, durable ASTM cut-level 2 protection (580 grams of cut resistance). Single layer. Approved for 2.75 seconds of incidental heat contact at 500° F. No thumb hole. 580 grams of cut protection.