4.2 oz., 100% polyester; Sharp and glossy jersey fabrication; 6.6 oz./lin. yd., 100% polyester; Tonal dyed-to-match rib collar; Sublimation friendly with glossy finish; Smooth surface ideal for screen printing; Retail fit; Side-seamed; Tear away label; Every Threadfast product contributes to the Plant with Threadfast program. Learn more at threadfastapparel.com/plant-with-threadfast