Abstract: The present invention provides nonwoven fiber materials, and methods for making the same, useful for loop materials in hook and loop mechanical attachment systems, the nonwoven materials having crimped monocomponent fibers having substantially circular cross sections, and the webs may further contain uncrimped fibers. The invention also provides disposable articles comprising nonwoven loop materials including disposable personal care absorbent articles such as diapers, feminine care sanitary napkins, and adult incontinence articles, and disposable protective articles such as surgical drapes and gowns and other protective apparel.