MATERIALS: These superior arm protection sleeves are made of TenActive yarn which is a high-performance filament fiber that is lint free and 5 times stronger than steel on an equal weight basis. Rated ASTM cut-level 2 (520 grams of cut protection)ALL DAY COMFORT: These protective sleeves for arms are made of a naturally cooling yarn so your arms wont overheat! The sleeves also feature a virtually unnoticeable seam which means less opportunity for rubbing and allows for all-day wearabilityCUT PROTECTION: Our cut resistant sleeves will protect your arms against cuts, abrasions and dirt while on the job. Made from high performance TenActiv yarn, a material which is five times stronger than steel, is sure to keep your arms protected on the job or while doing yard work. 1 pair of sleeves (sleeve for left and sleeve for right arm) are included in purchaseSTAYS IN PLACE: Our cut sleeves feature a tapered knit fit combined with our STAYz-UP technology that prevents slipping or sliding allowing you to concentrate on the task at handAPPLICATIONS: Our protective arm sleeves are ideal for work in metal fabrication, construction, material handling, automotive assembly, aerospace industry, electronics assembly as well as for protection while doing home repairs or yard work