7 oz./yd²., 51/41/8 organic cotton/ bamboo viscose/lycra® spandex; Made with organic cotton and renewable bio-degradable bamboo fibers; Moisture-management properties; UPF 50+ protection; Anti-odor technology; Relaxed fit; Self-collar with mesh lining; Under neck seam; No top shoulder seam; 8" lock down zipper; Self-cuff with mesh lining; Open bottom; Tagless at inner neck; Sewn in care and content label at lower left; Drop logo mark at upper back; Fabric and garments are manufactured in a facility 100% powered by solar and wind energy. Fabric and garments are manufactured in a GreenCo certified facility. 450g of CO2 are saved with the production of each garment; ;