with one or more convex or concave portions of limited extension, e.g. domes or pouches

Full Title

Details of fabric structure established in the fabric forming process > Shape features > Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process > with one or more convex or concave portions of limited extension, e.g. domes or pouches