CONCETTA Ergonomic Office Desk Chair with Adjustable Headrest Lumbar Support Flipped up Armrests, Black

[Ergonomic Design] This office chair features an all-elastic premium mesh back and a high-density sponge seat, making it a top choice for comfort during long office hours. The unique mesh design is skin-friendly and highly breathable, helping you stay cool throughout the day. The desk chair's ergonomically designed backrest provides noticeable lumbar support, aligning with the natural curvature of your spine. This mid-back computer desk chair is an excellent addition to any office space, providing quality and comfort. [Adjustable Features] Boasting a unique headrest that adjusts to meet your specific needs, this computer chair provides additional head and neck support and helps prevent neck and back soreness. The flip-up armrests provide comfortably supportive rest for your arms and can be efficiently tucked away when not in use. This design's adaptability makes it a perfect fit for your office, bedroom, study room, living room, or gaming room. [Multifunctional Mechanism] Equipped with a 360° rotating mechanism, the seat height on this ergonomic office chair is easily adjusted via the pneumatic adjustment lever within the range of 18.5-22.2 inches. Including a rocking mode that adjusts between 107° to 144° offers a relaxing respite from hard work. [Smooth & Stable] The office chair features smooth, multi-direction casters for effortless mobility around the office. These casters are designed to run smoothly on a variety of floor types including tile, wood, carpet, and more. The chair's large 5-star base ensures stability throughout the full height range, with a maximum weight capacity of 250 lbs. [Easy Assembly] This home office chair includes installation instructions along with all necessary hardware and tools. The assembly process is further simplified with the inclusion of an instructional video, ensuring the chair is ready to use within 10-15 minutes.