51% organic cotton, 41% bamboo viscose, 8% lycra? spandex; Moisture-wicking, UPF 50+, anti-odor; Made with organic cotton and renewable bio-degradable bamboo fibers ; self collar, tagless at inner neck; 8" lock down zipper; Drop logo mark at upper back under neck seam; Front and back coverstitch princess seaming; Sewn in care and content label at lower left; Thumbholes; Semi-fitted feminine silhouette; 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