The DELI E4511 Executive Chair is designed with structured ergonomic support for professional office environments. Its bionic segmented spine-fitted backrest is shaped to closely align with the natural curve of the spine, offering balanced support during extended periods of seated work.The chair features a breathable elastic mesh backrest that is wear-resistant and dirt-resistant, helping maintain airflow and a clean appearance in daily office use. A fixed elastic waist support provides additional lower back stability, while triangle armrests offer steady arm positioning for improved sitting posture.The seat is made from high-density rebound sponge using environmentally friendly materials, delivering strong resilience, breathable comfort, and consistent cushioning. An adjustable headrest with 4cm height adjustment allows for personalised upper back and neck positioning.With a seat size of 50cm, 46cm depth, and a 59cm backrest height, the E4511 offers extended back coverage. The gas-lift mechanism provides height adjustment from 42cm to 50cm, making it suitable for various desk setups and executive workspaces.