4.5 oz., 30 singles; 60% cotton, 40% post-consumer recycled polyester; 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; Retail fit; Threadfast is a proud member of Better Cotton. Cotton products from Threadfast support more sustainable cotton farming. Better Cotton is sourced via a system of mass balance.; Recycled Polyester: Polyester fiber in this blend is made from recycled content including plastic bottles. Recycled poly helps reduce water usage, energy consumption and CO2 emissions when producing this garment.; Every Threadfast product contributes to the Plant with Threadfast program. Learn more at threadfastapparel.com/plant-with-threadfast