The Sandstone Vest is made of tough 12-ounce 100% cotton sandstone duck. It's lined in our ultra warm arctic-weight quilted nylon polyester insulation. The front zipper is covered by a wind flap to help keep the cold out. Inside there's a convenient patch pocket with a hook-and-loop closure and outside there are two deep hand-warmer-style pockets. In back there's a drop tail for added coverage and warmth. Available in three great colors that coordinate perfectly with other Carhartt clothing.For over 115 years, Carhartt has manufactured premium workwear known for exceptional durability, comfort, quality of construction, and fit that you can feel in the fabrics and see in the performance.