The Arctic Extremes Carhartt Jacket is made of 100% Cordura nylon with a thread size of 1000 Denier. Denier is the unit used to express the thickness of a yarn or thread used in a particular fabric--the higher the number the larger the thread and the more durability of the material. The outer shell of this Carhartt will stand up to the punishment of the workplace where it is easy to snag up other garmentson equipment and other obstacles. The Cordura nylon used to make this men's jacket provides the utmost in durability and will stand the weather extremely well. Slightly Worn in like new condition.