The office chair Mark Adler Expert 4.9 in black features a contoured design that adapts to the body's shape. It is equipped with a practical hook for jackets and other items. The ventilated material with a thick HD mesh structure offers rich functionality, high-quality materials, and solid craftsmanship. The chair ensures proper spinal alignment and includes an adjustable headrest and armrests, as well as a flexible lumbar support. It has a reclining mechanism for the backrest and a Cradle Plus function. The durable material is easy to care for, and the polyurethane rubber wheels protect the floor from scratches.