Ergonomic Office Chair, Dynamic Split Back Lumbar Support, Thick High-Density Molded Foam Seat, 4D Adjustable Armrests, Swivel High Back Computer Desk Chair for Home Office, Flex S3

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【DYNAMIC SPLIT-BACK SUPPORT】: Features a unique split-type backrest; the dual sections move independently to provide continuous, targeted support for your spine and lumbar.
【3.15" CONTOURED COMFORT SEAT】: Upgraded with 3.15" of high-density molded foam featuring an ergonomic curved design to distribute pressure evenly across hips and thighs.
【4D ARMRESTS & 2D HEADREST】Fully adjustable 4D armrests combined with a 2D headrest for the ultimate balance between work and relaxation.
【PREMIUM MOLDED FOAM COMFORT】Features high-density, automotive-grade molded foam that offers superior resilience and long-lasting support. Unlike standard cut foam, this 8cm thick seat retains its shape and prevents sagging even after years of intensive use.
【Built to Last & Hassle-Free Warranty】 Certified by CE, GCC, SGS, and BIFMA for quality and safety. The aircraft-grade glass fiber nylon frame and molded foam guarantee long-term durability and easy maintenance. Every RIEIOR chair includes a full 2-year warranty covering parts and defects, with a 24-hour weekday response from our dedicated support team.