Ergonomic Comfort with Adjustable Seat Depth---Designed for prolonged sitting, this ergonomic office chair features an adjustable seat depth to accommodate different leg lengths, promoting better blood circulation and reducing leg fatigue. The high-density memory foam cushion with Denmark-imported knitted fabric ensures exceptional support and long-lasting comfort throughout your workday. Premium Aluminum Alloy Build for Durability & Stability---Constructed with an aluminum alloy five-star base and seat tray, this executive office chair provides enhanced strength, stability, and corrosion resistance, making it more durable than traditional nylon-based chairs. The premium polyurethane casters allow for smooth and quiet movement, protecting floors from scratches. 4D Adjustable Armrests & Twistable Backrest for Maximum Support---Enjoy personalized comfort with 4D armrests that adjust in height, depth, width, and rotation, supporting different postures for working, gaming, or studying. The twistable backrest with adjustable lumbar support conforms to your spine’s natural curvature, reducing back strain and improving posture. Multi-Angle Reclining with Four-Position Lock---Whether you need a focused working position or a relaxed recline, this chair adapts to your needs with a 4-position tilt lock system (107°-115°-123°-132°). Lean back effortlessly while maintaining spinal support, making it ideal for extended hours in front of your desk. Breathable Mesh Fabric & High-End Aesthetic---The imported mesh backrest enhances airflow, preventing overheating and keeping you cool and comfortable. Available in sleek black and sophisticated blue, this office chair seamlessly blends into any modern workspace or home office, delivering a luxurious yet functional seating experience.