Ergonomic Office Chair with 3D Adjustable Headrest & 4D Arms - 350lbs Gaming Chair,Breathable 3D Mesh, Retractable Footrest,Adaptive Lumbar Support,4-Position Adj Backrest, for Big and Tall PPL Gray

【3D Headrest & 4D Ergonomic System】Dominate work and play with 3D adjustable headrest + 4D adjustable armrests(up&down 3" /forward&backward 1.9" /left&right 40° ). Designed for ergonomic home office desk chairs and gaming chairs, this hybrid seat syncs with the 90°-145° recline to keep your neck-spine-hips aligned during 12hr office. 【350lbs Heavy-Duty Performance】Built tougher than standard desk chairs: Reinforced steel frame & SGS-certified gas lift handle 350lbs. The 3D knit mesh resists sagging even after 2,000hrs of use – ideal for heavy users and pro gamers. 【Dynamic Lumbar & Cooling Tech】Auto-adjusting lumbar support molds to your back’s curves, while airflow mesh cuts heat by 40% vs leather gaming chairs. Perfect for hot-desking offices or intense streaming sessions. 【Multi-Scene Space Saver】Retractable footrest (extends 18") + backrest hanger turn this computer chair into a compact lounge. Need a nap? 145° recline + 3D headrest = instant zero-gravity mode. 【Pro-Level Customization】Fine-tune like a premium ergonomic chair: 3-stage seat depth, 4D arms, 4-Position Adjustable Backrest,. Tool-free adjustments take <3sec – switch from typing to gaming without leaving the seat.