Welax S4 Pro – Ergonomic Office Chair with Foldable Backrest

W-Shaped Comfort, Easy Care Structured foam provides lasting support, while the easy-clean fabric makes everyday care effortless. 6-Level Lumbar Support Six levels of lumbar height adjustment, with front-to-back locking, let you find a more precise and comfortable fit. Flip-Up Armrests Flip the armrests up when you need more freedom to move, stretch, or switch between different sitting positions. 3-Button Easy Control Adjust your seat height, recline, and seat depth with three simple controls, all within easy reach.