The GP Air Gear is perfectly designed for warm weather riding conditions. Mesh polyester and vented paneling all around offer maximum cooling and airflow for extended periods of time, while stretch material in key areas allows for unmatched comfort and fit.. The most lightweight and highly ventilated gear in the TLD line, the GP Air Gear is perfectly designed for warm weather riding conditions. Mesh polyester and vented paneling all around offer maximum cooling and airflow for extended periods of time.