Sihoo B300 Pro Ergonomic Office Chair with 4D Lumbar Support

The Sihoo B300 Pro ergonomic office chair delivers personalized support for work, gaming, and home offices. Designed for users from 5'1" to 6'3" , it features dynamic 4D lumbar support , 6D adjustable armrests, a 3D headrest, weight-adaptive recline, and breathable mesh for all-day comfort. 4D MicroFit Lumbar Support 2.2" Height-Adjustable Backrest 6D Adjustable Armrests 3D Ultra-Wide Headrest 2" Seat Depth Adjustment Weight-Adaptive Recline Breathable Performance Mesh