Lower lumbar support: Office chair supports you as you work, making it better for longer work days. The removable and rotatable headrest supports the neck and head. High-density foam seat, with mesh upholstery: Sit comfortably on this desk chair - suitable for all-day working. The mesh is breathable, and helps promote airflow to keep you cool. 90° flip-up armrests: Easy to slide this ergonomic office chair fully under your desk. Saves floor space when not being used - keep your home office/study room tidy and organised. Adjustable height and rocking movement: Set the seat between 43–51 cm, and set the chair to move forwards/backwards as you like. Sit and relax, your way. Dimensions: 109-117H x 60W x 64D cm. Seat: 43-51H x 48W x 50D cm. Arm to seat: 20 cm. Maximum load 120 kg. Assembly required.