Infinite Tilt Lock for smooth adjustments, reducing hip pressure Breathable Mesh for better airflow and comfort during long work hours Multi Adjust & Synchro Seat for ergonomic customization with adjustable backrest, headrest, and armrests Weight Capacity up to 330.7lbs Lumbar Support with height and depth adjustment for perfect fit Adjustable Headrest for proper head support, reducing muscle strain Tilt Mechanism with 3-position lock for task adjustments Adjustable Armrests for natural arm support, preventing stiff shoulders Built-in Coat Hanger for convenient outerwear storage Practical Design with durable high tensile steel mesh and nylon plastic for easy maintenance.