4.5 oz., 30 singles; 100% preshrunk ring-spun cotton jersey; Made from sustainably sourced US grown cotton ;Rib cuffs; Narrow, set in 1x1 rib collar; Self fabric shoulder to shoulder neck tape for added comfort; Double-needle bottom hem; Tear away label; Modern fit; U.S. grown cotton sets a global standard in sustainability, leveraging innovative agricultural practices to reduce environmental impact and promote a healthier planet.; Every Threadfast product contributes to the Plant with Threadfast program. Learn more at threadfastapparel.com/plant-with-threadfast;