Innovative technology has led New Balance to the Bamboo BioCool Tee, a running top that incorporates bamboo fibers for superior odor control and UV protection. The advanced BioCool moisture management system uses strategically mapped ventilation zones to maintain airflow and breathability. Flatlock seams reduce irritation in high-friction areas. Feel confident running in low light conditions with 360º reflectivity. 50% polyester/50% bamboo charcoal. Imported.