The backrest of D261/sy provides users with exquisite support through innovative geometric design. Thanks to the cushioning support of its dual mesh frame and a sturdy middle frame. The characteristics of the mesh is capable of adapting to the movements of the user whilst providing a generous back support . The mechanism that is easily adjustable at the back of the chair adjusts to the users spine, hence providing optimal spinal support that is especially needed for long-hours sitting. The flexible dual layer mesh adds comfort and cushioning to the user when leaning back.