T-Ray is an armchair by Walter Knoll with wooden frame, swivel chrome-plated base, wadding and foam padding upholstered in fabric or leather.The rational shape, clear and logical, takes a new direction with T-Ray. Square and diagonal, volume and expanse combine to create a powerful figure. The striking folds in the slender sides form the geometric frame of the armchair. Captured within, the sumptuous upholstered seat ensures the comfort.