office chair or a home environment while the actual design of the seating structure 10 may be varied depending on environment of use and aesthetic preferences in general the seating structure will preferably include a seating frame 12 a seating support web 14 a back frame 16 and a back support web 18 in the illustrated and preferred embodiment the seating support web 14 and the back support web 18 are disposed in tension over the seating frame 12 and back frame 16 respectively without the need for added cushions or other support structures although it is contemplated that such support structures could be utilized if desired as will be appreciated by those of skill in the art the seating support web 14 and back support web 18 should be constructed to provide a so called 34 vertical ride 34 when a load is applied in the form of an occupant so that a feeling of support and comfort is provided this feature in seating structures has historically been provided by the use of springs and cushions which compress in known repeatable fashion when loads are applied while some degree of movement is important to the impartation of comfort such movement should also not be so extreme as to negate the feeling of support accordingly it is important that any seating support structure have a limited degree of movement when loads are applied as will be understood the use of spring structures has historically been used in this function since the spring compression effectively limits movement when loads are applied in order to provide a seating structure which has these desirable operational features while avoiding the need to use previously available complex support structures and still providing an aesthetically pleasing appearance the present invention utilizes a weft insertion fabric.