Featuring advanced ergonomics with Extended-Sit engineering, the Serta iComfort i6000 Series Big & Tall Executive Chair is bliss in a work chair. Designed to support up to 400 lb., this premium Serta office chair is big on comfort and technology. Its proprietary PostureSync Responsive Support moves with you, ensuring proper lumbar support and a healthier sitting position, whether upright or more relaxed. The EverFeel Triple Effects foam gently molds to your shape to alleviate pressure points. Padded armrests with easy-access seat adjustments and TiltSync recline ensure ideal positioning is at your fingertips with this high-back chair.