The mesh shell provides free airflow. Other features include a removable thermal liner, C.E. rated protectors in shoulders and elbows, a removable back protector pad with pocket for optional C.E. protector, 2 waist level pockets, 1 chest pocket, 1 gun pocket, a zippered pocket inside the jacket, a pocket for audio device/ accessories on thermal liner, zippered sleeve adjusters, an adjustable waistband for a custom fit, reflective piping on the jacket for better visibility, and dual button snap adjustments on both arms for a secure fit with armor. Sizes Medium to 5X Large.