Women's Bamboo Sport Skirts by InSport. The Bamboo Sport Skirt is from the Thrive collection, designed to preserve natural resources. 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. Extended, no-creep inner short. 92% bamboo, 8% spandex. Inseam: 4.75" (under short). Fit: Fitted.