• "Style the Square" with Rent the Runway and the Hudson Square Connection. Try on and rent looks from the showroom for 25 percent off. RSVP to email@example.com or tweet #STYLETHESQUARE to @RTR_Stylist. Rent the Runway Showroom, 163 Varick St., nr. Charlton St., fourth fl.; (1-800-509-0842); 6–8.
• Items will be discounted up to 70 percent at the Theyskens' Theory and Helmut Lang sample sale. Score an extra 10 percent off by checking in on Foursquare. 93 Mercer St. at Spring St.; W (10–8), Th (8–8), F–Sa (10–7), Su (11–6). Through 7/22.
• Stock and sample items will be discounted up to 80 percent off at the Yansi Fugel sale. 205 W. 39th St., nr. Seventh Ave., seventh fl.; daily (8:30–5:30). Through 7/19.
• Splendid and Ella Moss are hosting a joint sample sale featuring deeply discounted merchandise from spring/summer 2012 as well as basics for women, men, kids, and babies. 260 W. 39th St., nr. Eighth Ave., twelfth fl.; T–W (9–6).
• Designer Loft is having a Bastille sample sale starting tomorrow on select wedding gowns. By appointment only. 226 W. 37th St., nr. Seventh Ave., second floor, (212-944-9013). Through 7/31.