The 4840K is made of Premium grain goatskin. This supple leather contains natural lanolin that helps create a very soft feel. Characteristics include strongest tensile strength and excellent tactile sensitivity. Best combination of flexibility and comfort. The 4840K is a DuPont™ Kevlar® lined Mig/Tig glove with a 6 Inch russet split cowskin cuff for additional safety. It is sewn with DuPont™ Kevlar®, has a straight thumb and a self hem sewn cuff.