Peak Patterns:

jalie2568

http://www.jalie.com/pattern-finder-list/women-s-underwear-pattern.html

kwik_sew2723

http://www.kwiksew.com/catalog/cat_detail.cfm?pid=2723

kwik_sew3029

http://www.kwiksew.com/catalog/cat_detail.cfm?pid=3029