Women's Bamboo tank tops by InSport. The Bamboo Tank is from the Thrive collection, designed to preserve natural resources. Wolong bamboo is breathable and offers cooling with enhanced moisture absorption and ventilation. Natural anti-microbial properties and moisture-wicking. Soft, lightweight drape and stretch provide maximum comfort. Soft, seamless design eliminates chafing. 92% bamboo, 8% spandex. Fit: Semi-fitted.