【Customizable Support】Enjoy personalized comfort with an adjustable headrest and 4-way lumbar support that moves up, down, forward and backward to perfectly fit your body and reduce sitting fatigue. 【Smooth Mobility】The sturdy 5-star base with quiet-rolling casters provides stable movement across various floor surfaces while protecting your floors from damage. 【Breathable Comfort】Designed with a ventilated mesh backrest and thick cushioned seat to keep you cool and properly supported during long work sessions. 【Ergonomic Design】Features an S-shaped high backrest that naturally follows your spine's curvature for optimal lumbar and shoulder support, with adjustable tilt angles. 【Simple Setup】Includes all required hardware and clear instructions for quick assembly, letting you start using your ergonomic chair right away.