Sierra Pacific Full-Zip Fleece Vest 3010 is perfect for keeping you warm without having to wear a lot of clothes. It comes with a convertible collar fleeced vest in a variety of sizes. The use of 8.5 oz., 100% Polyester ensures proper warmth for the wearer. Convertible collar with dyed-to-match zipper pull, oversized nylon reinforced front pocket with hemmed elastic are some of its properties which increase the utility of the vest.