Double knit construction is the secret to this high performance sweatshirt. Designed to keep you warm this sweatshirt also wicks moisture for maximum comfort. A full athletic cut keeps you free to move.. 7 ounce 100% polyester. Double needle stitching throughout. Taped neck. Rib knit cuffs. Half rib knit half self fabric hem. Front pouch pocket. * Due to the nature of 100% polyester performance fabrics special care must be taken throughout the screen printing process.