Details: W2006 Alo Tanks/Sleeveless Ladies' 5.5 oz. Racerback Bamboo Tank 67% bamboo lyocell, 29% cotton, 4% spandex jersey; bamboo wicks away moisture and is breathable; anti-bacterial and hypoallergenic without chemical treatment; racerback straps; contrast thread at bottom hem; StretchFlex™ technology provides garment with comfort; freedom of movement, lasting recovery and a great fit;