67% bamboo/29% cotton/4% spandex 5.4 ounce jersey knit tank. This fabric has natural inherent properties that wick moisture and is naturally anti-bacterial, hypoallergenic and breathable with no added chemicals. StretchFlex™ technology provides comfort, freedom of movement, lasting recovery and a great fit. Contrast thread at bottom and sleeve hem. Rolled raw edge neck band and raw edge neck seam.