About this item ERGONOMIC DESIGN FOR ALL-DAY SUPPORT: Engineered to maintain your spine’s natural S-curve, this office chair reduces back pain and fatigue during long hours of sitting. Adjustable lumbar support and high backrest provide personalized comfort. MULTIPLE ADJUSTABLE FEATURES: Customize your seating with adjustable seat height, reclining backrest (90°–120°), flip-up armrests, and breathable mesh back. Designed for users 5'2" to 6'2" for optimal fit. BREATHABLE MESH BACKREST AND THICK PADDED SEAT: Ventilated mesh promotes airflow to keep you cool, while the 3.1-inch high-density foam cushion reduces pressure on hips and thighs for extended comfort. HEAVY-DUTY CONSTRUCTION WITH 330 LBS CAPACITY: Reinforced metal frame and sturdy 5-point base ensure stability and durability, supporting up to 330 lbs for a wide range of users. SMOOTH 360° SWIVEL AND QUIET CASTERS: Move effortlessly and quietly across hardwood floors or carpets with durable swivel wheels designed for easy mobility. SPACE-SAVING FLIP-UP ARMRESTS: Flip the armrests up to save space and easily slide the chair under desks, perfect for compact home office setups. EASY AND QUICK ASSEMBLY: Comes with clear instructions and all tools needed for hassle-free assembly in 15–20 minutes.