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. Ride Fit Articulated fit for performance Ratchet closure system for waist Blue Sign Certified 320D Mesh & 600D Fully ventilated mesh panels in key areas TLD A.K.T (Articulated Knee Technology) 2-way stretch panels at rear knee, calf and crotch Inside Knee Leather Panels Silicone on Inside Waistband Rear yoke provides added flexibility 204597012 (30) 204597015 (36)