The Indera Mock Zip Military Weight Fleeced Polyester Top is made with the heaviest fabric available for exceptional warmth all winter long. The fabric is made with 10 oz. 100% polyester with a fleeced inside for added comfort. Not only does the military weight fabric keep you warm, but it wicks moisture as well, keeping you dry and comfortable. Indera also added rib knit cuffs to lock in heat and keep out the cold. A 9-inch zipper if found on the front making it easier to put on and take off.