Ergonomic Office Chair with Footrest - Q3-MT Mesh Computer Chair with Lumbar Support, 2D Headrest, 3D Armrests, 140° Tilt, Heavy Duty 300lbs

【Adaptive Lumbar Support】: Features a multi-joint backrest dynamically adjusting to your movements; provides continuous lower back support in various positions; utilizes a 3-point soft rubber design adapting to your waist’s center and sides for optimal fit and comfort throughout the day 【140° Tilt & Retractable Footrest】: Adjust the backrest from 90° to 140° with 4 lockable angles; the 17” retractable footrest allows for full leg extension, relieving lumbar and knee pressure; promotes blood circulation and provides optimal relaxation during work or leisure 【4D Adjustable Armrests】: Experience ultimate comfort with extra-large armrests, 30% larger than standard designs; rotate 30° left and right, adjust vertically 2.8”, and horizontally 2.4” to cater to your ergonomic needs for typing, gaming, or relaxation