• Preview the Etro spring 2009 collection at Saks today. Saks Fifth Avenue, 611 Fifth Ave., nr. 50th St. (212-940-2358); 14.
• Marc Jacobs, Lanvin, Christian Dior, Chloé, Alberta Ferretti, and more are up to 90 percent off at Irene Albright's sale. Through 1/18. 32 Cooper Sq., at 5th St. (212-253-5894); Tues.Sat. (116), Sun. (noon6).
• Day and cocktail dresses by Laundry by Shelli Segal are up to 80 percent off. Through 1/16. Redbag, 250 W. 39th St., nr. Seventh Ave.; daily (117).
• Many styles are up to 75 percent off at Levi's online jeans sale. Men's jeans are $30, and ladies' start at $20. Ongoing.
• Find up to 90 percent off clothing, shoes, and accessories by Repetto, Gustto, Milly, Tocca, Iisli, Free People, and more. 261 W. 36th St., nr. Seventh Ave.; 107.
• Start prepping for Valentine's Day with the sexy underwear of Dutch designer Marlies Dekkers. Buy one item and receive another item of equal or lesser value free. Through 1/14. Marlies|Dekkers at the Plaza Retail Collection, 1 W. 58th St., nr. Fifth Ave. (212-230-1724); Mon.Sat. (117), Sun. (noon6).