Your All-Day Comfort Solution Premium Ergonomic Desk Chair with Footrest featuring dynamic 3D lumbar support, 5D Flip-Up Armrests, and extra-wide 3D breathable headrest, 2-position angle foot-rest, perfect for home office chairs seeking ultimate comfort Engineered with Dynamic Spinal Alignment System3D Synchro-Tilt LumbarLockable ±1.6" depth spring-loaded auto-tracking/±2" height/15° rotationwith force-sensitive springs mimics natural spine curvature, certified by AEP* for 12hrs+ fatigue reduction in ergonomic chairs (*American Ergonomics Partnership) Smart Space-Saving Features 5D Flip-Up Armrests with skin-friendly panels - 27% denser EVA foam padding achieves Zero-Pressure Contact, it can be adjusted at Height/width/forward/backward/rotate/flip function, a space-saving flip-up design that tucks neatly under standard desks Advanced Adjustability 3-stage reclining mechanism pairs with an 18" extendable footrest (2-position angle adjustment) for seamless tra