SanSoleil's Long-Sleeve tennis/active top utilizes our new SolAir Ultra-Mesh technology fabrics. SolAir COOL ULTRA-MESH offers the most enhanced cooling of any SanSoleil’s fabrics. SolAir’s Ultra-Mesh composition is moisture-wicking with full body airflow. The entire garment Ultra-Mesh welcomes the cooling breeze created through walking, riding, or any movement. These garments are great for sports that require cooling and perfect sun protection.