Office Desk Chair, Ergonomic Computer Chair with Padded Flip-Up Arms and Adjustable Lumbar Support, PU Leather Executive Chair with Tilt Lock and 360° Swivel Rolling Wheels for Work, Study

【Adjustable Air Lumbar Support: Precision Fit for Spinal Curves】Our desk chair features an innovative inflatable lumbar system adjusts ±5cm via air pump for custom fit. High-resilience material provides dynamic support, reducing lumbar pressure by 25% + to ease stiffness.【Space Maximization: 90° Flip-Up Armrest Design】Flexible storage, zero space waste. The computer chair armrests flip up vertically 90°, reducing chair width from 15.74’’ to 3.54’’ for easy storage under desks or in corners. Paired with 360° silent casters, clear your aisle instantly – the ultimate space-saver for compact offices!【Reclining Backrest with Rocking: 90°-115° Tilt】Cradle-style relief. Ergonomic office chair’s dual-axis mechanism supports reclining and rocking from 90° to 115°. Freely adjust rocking amplitude via the bottom knob for personalized comfort.【Targeted Breathability: Reinforced Mesh Layout】The office desk chair has an optimized perforation design with 20%+ denser lumbar zones enhances airflow 50%+. High-elastic fabric & airflow channels reduce sitting temperature 3-5°C. Anti-mold treatment maintains long-term dryness.【Zone Spinal Support System】This computer chair’s ergonomic backrest with thickened headrest (12.2''×4.72''), shoulder support, adjustable lumbar air cushion, sacral curve, and 7° anti-slip seat. Evenly distributes weight across 18.9''-20.08'' seat depth for users 4'11'' - 6'2'' tall.