Ergonomic Office Chair, High Back Desk Chair with Adjustable Lumbar Support & 3D ArmrestsProduct DescriptionTransform Your Workday: Ultimate Ergonomic Support for Marathon SessionsTired of shifting uncomfortably in your chair? Meet the TROPOW Ergonomic Mesh Office Chair, engineered to support your body through the longest workdays, gaming marathons, and study sessions. We understand that comfort is personal, which is why every detail¡ªfrom the 3D armrests to the adaptive lumbar support¡ªis fully adjustable. Stop settling for one-size-fits-all seating and experience the difference of a chair that truly conforms to you.Key Benefits & Features: Your Spine's Best Friend: The chair's design meticulously follows the natural four curves of the human spine. This foundational ergonomic principle, combined with a fully adjustable headrest and adaptive lumbar support, promotes a healthy posture to reduce fatigue and discomfort, even after 8-10 hours at your desk. Customized Comfort at Your Fingertips: Don't just sit¡ªfit. Achieve your perfect sitting position with a suite of adjustments. Modify the seat height, slide the seat depth back 60mm to support your thighs, adjust the 3D armrests in every direction, and fine-tune the lumbar support to hug your lower back perfectly. Breathe Easy, Stay Cool: The high-elastic, breathable mesh backrest promotes superior air circulation, keeping you cool and focused. No more sticky backs or overheating, just consistent comfort that helps you maintain peak productivity throughout the day. Built for Resilience & Relaxation: Crafted with a heavy-duty iron frame and a reinforced base, this chair is tested to support up to 350 lbs. When it's time for a break, effortlessly recline up to 135 degrees and extend the retractable footrest to transition from intense focus to a well-deserved rest without ever leaving your seat. Technical SpecificationsFeatureSpecificationBrandTROPOWOverall Dimensions27.17" D x 26.57" W x 47.24" HFrame MaterialIronItem Weight41.01 PoundsMaximum Weight Capacity350 PoundsPatternSolidIncluded ComponentsCasterTilt FunctionYes, up to 135¡ãHeadrestFully AdjustableLumbar SupportAdjustable (Lift & 10¡ã Rotation)Armrests3D Adjustable (Up/Down, Forward/Back, Left/Right)Seat Depth AdjustmentYes (60mm / 2.36")Seat Height AdjustmentYesFootrestRetractableDetailed Feature Breakdown?? Total Body Alignment & Ergonomic DesignExperience a new standard of comfort. The chair's contour is specifically designed to cradle the natural "S" shape of your spine. This holistic approach to ergonomics helps distribute weight evenly and alleviates pressure points, making those long hours of sitting sustainably comfortable for your back, neck, and shoulders.?? Adaptive Lumbar Support SystemGo beyond basic lumbar pillows. Our unique split-back design features a built-in lumbar support that you can lift to the perfect height and rotate 10 degrees to precisely match the curve of your lower back. This dynamic support adapts to your movements, providing targeted relief to ease strain and encourage a healthier sitting posture.?? Fully Controllable 3D ArmrestsYour arms and wrists deserve proper support. The 3D armrests allow for vertical, horizontal, and pivotal adjustments. Whether you're typing, gaming, or simply reading, you can position them perfectly to keep your shoulders relaxed and your forearms parallel to the floor, reducing the risk of strain.? Precision Seat Depth AdjustmentOne seat does not fit all. The innovative seat slide mechanism allows you to adjust the depth by 60mm. This is crucial for ensuring proper support for your thighs without putting pressure behind your knees, which improves circulation and enhances comfort for users of all heights.?? Uncompromising Durability & StabilityInvest in a chair built to last. The robust iron frame and high-strength base are engineered for long-term reliability and safety, supporting up to 350 lbs. The smooth-rolling casters provide effortless mobility on any floor surface, while the 135-degree recline lets you find the perfect angle for any task, from upright work to a relaxed lean-back.