In a mechanical fastening system for an article, a first fastening component of the fastening system is constructed of an oriented nonwoven loop material. The nonwoven loop material is constructed at least part of an nonwoven web of fibers that is extensible from a relaxed configuration to an extended configuration wherein in the extended configuration a greater number of fibers of the nonwoven web are oriented in the direction in which the web is extended than in the relaxed configuration of the web. In one embodiment, the web is in its extended configuration and secured to a substrate A second fastening component of the mechanical fastening system comprises a hook material wherein the oriented nonwoven loop material of the first fastening component is adapted for releasable connection with the hook material of the second fastening component.