XS-XL - Ladies' racer-back bamboo tank top made of 67% bamboo Lyocell, 29% cotton, 4% spandex jersey. Bamboo wicks away moisture and is breathable. Anti-bacterial and hypoallergenic without chemical treatment. Features racerback straps, and contrast thread at bottom hem. StretchFlex(TM) technology provides garment with comfort, freedom of movement, lasting recovery and a great fit. Great for exercise, jogging and other physical activities. This tank keeps you fresh.