BOSSIN Lift-Headrest Big and Tall Office Chair 500lb - Heavy-Duty Leather with Retractable Footrest & Lumbar Support

Height-Adjustable Headrest SystemEngineered with precision vertical positioning, our ergonomic headrest adapts to your unique stature for customized cervical alignment. Ideal for extended task-intensive sessions in professional environments, this mechanism delivers orthopedic-grade support for head and neck musculature.Synchronized Wide-Frame Arm TechnologyThe expanded surface area accommodates diverse body types while maintaining continuous elbow-to-forearm contact during positional transitions.Industrial-Grade Mobility SystemCertified for 500lb+ capacity, our patent-pending dual-bearing casters combine aircraft-grade aluminum hubs with shock-absorbent TPU treads. Engineered for silent operation across hardwood, tile, and low-pile carpet surfaces, they provide 360 seamless mobility with reduced rolling resistance.Bio-Contoured Lumbar MatrixAnatomically sculpted support module featuring variable-density foam cores actively compensates for lumbar spine compression. This dynamic system auto-adjusts through 15 of recline motion to maintain optimal sacroiliac joint alignment, combating sedentary fatigue in knowledge workers.Full-Spectrum Recline ArchitectureOur zero-gravity rebalancing system synchronizes 135 back tilt with 25 footrest articulation, creating weight distribution optimized for larger frames. The interlinked motion platform maintains blood flow efficiency while reducing vertebral disc pressure by up to 40% during rest intervals.