The DELI E4512 Executive Chair is designed to provide structured ergonomic support for professional office environments. Its bionic segmented spine-fitted backrest is shaped to align closely with the natural curve of the spine, offering balanced support during extended working hours. The breathable elastic mesh backrest promotes airflow while remaining wear-resistant and dirt-resistant, making it suitable for daily executive use. The seat is crafted from high-density rebound sponge made from environmentally friendly materials, delivering strong resilience and a breathable, skin-friendly seating experience. For improved adaptability, the chair includes armrests with an 8cm height adjustment range and a PU surface for a smooth, durable finish. An adjustable headrest with a 4cm height adjustment allows users to refine upper back and neck positioning according to preference. With a seat width and depth of 50cm and a backrest height of 47cm, the E4512 offers balanced proportions. The gas-lift mechanism provides height adjustment from 43cm to 50cm, supporting various desk configurations in executive and managerial workspaces.