52% organic cotton, 43% bamboo viscose, 5% lycra® spandex, 160gsm single jersey; Moisture-wicking, UPF 50+, anti-odor; Made with organic cotton and renewable bio-degradable bamboo fibers ; Athletic coverstitch seams; Self collar tagless at inner neck; No top shoulder seam; Coverstitch raglan seams; Word mark logo along left raglan seam; Drop mark logo at upper center back under collar; Sewn in care and content label at lower left side seam; Relaxed fit; 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