Ergonomic Backrest & Lumbar Support: The mesh desk chair featured with large ergonomic backrest fits well with your spine curve, ideal for most shape of people. No fatigue throughout a long working day any more. The humanized lumbar support holds your lower back to help reduce back pain further and thus keep a comfortable sitting position.Breathable Mesh for Cozy Feeling: Great breathability takes the comfortableness to higher level thanks to the mesh design. The air can pass through the mesh backrest easily. Meanwhile, made of high quality mesh material, it also features good wear resistance, which lasts for long service time beyond your expectation.Adjustable Height & Large Padded Seat: The office chair can be easily adjusted from 34'' to 39'', bringing much more convenience to people of different requirements. What’s more, the chair is supposed to match well with sit to stand desk. Besides, the waterfall seat filled with high resilience sponge provides you with cozy sitting experience.360° Swivel Design with Sturdy Base: Sturdy 5-claw base offers great sturdiness to hold up to 300 lbs. Its smooth rolling casters enable a flexible mobility while causing no damage to the floor. Pairing with 360° swivel design, it allows you to communicate with others in different directions conveniently.Modern Style for Wide Application: The mesh executive chair strikes perfect balance between modern style and practical functionality, which shall be a wonderful furnishing in different occasions. It can be served as an executive chair in office and a study chair in study room.