Experience superior comfort and support designed for your workday with this ergonomic office chair. It’s crafted to provide personalized adjustability, helping you maintain a healthy posture through long hours at your desk. Adaptive Ergonomics: Features a unique backrest that contours to your natural spine curve and an adjustable lumbar support, moving up to 2 inches vertically, alongside a headrest with 5.1 inches of height adjustment and 30° rotation for comprehensive support. Space-Saving Convenience: Redefine your workspace efficiency with 90-degree flip-up armrests, allowing the chair to tuck neatly under your desk when not in use. Breathable Comfort: Boasts an elastic sponge cushion for soft hip support and a durable, breathable nylon mesh backrest, ensuring you stay cool and comfortable even during extended periods of sitting. Relaxing Rock Function: Enjoy a gentle 90° to 120° rocking motion, perfect for taking a brief pause and stretching during your busy day. Sturdy & Simple Setup: Constructed from high-quality nylon and metal, this stable chair reliably supports up to 350 lbs, with assembly typically completed in just about 15 minutes. Dimensions: 23.43"W x 23.43"D x 56.69"H. Weight Capacity: 350 lbs. Materials: Nylon Mesh. Warranty: 1 Year Limited.