ELABEST X100 Ergonomic Office Chair with Footrest, Big and Tall Home Desk Chair with 5D Flip-Up Arms, Adjustable 3D Adaptive Lumbar Support,High Back Rolling Computer Chair, Swivel Gaming Mesh Chairs

Brand: ELABESTColor: BlackFeatures: 【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 System】3D Synchro-Tilt Lumbar（Lockable ±1.6" depth spring-loaded auto-tracking/±2" height/15° rotation）with 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 adjustmen