Men's CoCona sleeveless quick-drying t-shirts by InSport. The CoconaŽ Sleeveless Tee features CoConaŽ fibers and yarns infused with activated carbon from coconut shells. CoconaŽ moisture management, odor management and UV protection. New gel logos and flatlock seams. New nano bamboo provides antimicrobial performance. 100% polyester. Fit: Semi-fitted.