MCR safety offers a variety of arm coverings and sleeves that are made of different materials and used for various applications. Materials range from a simple cotton that offers protection from minor abrasion, scratches and dust to much more advanced materials such as DuPont™ Kevlar® and Dyneema® fibers. The KW18S is an 18-inch seamless knit cotton sleeve that offers lightweight arm protection. The natural cotton material is soft and extremely cool for maximum comfort.