• Saks Fifth Avenue rings in the holidays with its fifth annual Snowflake Spectacular, featuring a LED-light show and the unveiling of its mechanical holiday windows. Saks Fifth Avenue, 611 Fifth Ave., at 50th St. (212-753-4000); 6:30.
• Bergdorf Goodman reveals its "Calendar Girls"–themed holiday windows today. Bergdorf Goodman. 754 Fifth Ave., at 57th St. (212-753-7300).
• Designer and philanthropist Kenneth Cole hosts a book reading and signing for his new book, Awearness, a collection of essays and conversations by individuals working for social change. Barnes & Noble, 97 Warren St., at Greenwich St. (212-587-5389); 7.
• Equestrian boots were $395 and are now $195 at DKNY’s sale, where fall fashions are priced up 70 percent off. Stop in Friday, November 28, and with every two discounted items purchased, get a third for $1. Ongoing. 655 Madison Ave., at 60th St. (212-223-3569); Mon.Sat. (108), Sun. (116). 420 W. Broadway, nr. Spring St. (646-613-1100); Mon.Sat. (118), Sun. (noon7).
• Shop online for Lisa Hoffman beauty products and receive 25 percent off with the promo code LHBBDB. Receive a free $45 skin serum with purchases of $100 or more. Through 11/30.
• ThreeAsFour’s sample sale has previous season’s denim from $4.44 to $44.44 and archival collection pieces for $77 to $666. Through 11/24. 77 Delancey St., at Allen St.; Thurs.Mon. (noon8).
• Theory men’s sample sale has 60 percent off outerwear, suits, sport coats, pants, dress shirts, sweaters, and ties. Through 11/24. 139 Fifth Ave., nr. 20th St., second fl. (212-398-2777); Thurs.Fri. (88), Sat.Mon. (106).
• Theory women’s sample sale has outerwear, dresses, blazers, pants, tops, skirts, and sweaters starting at 60 percent off. Through 11/25. 261 W. 36th St., nr. Eighth Ave., second fl.; Thurs. (107), Fri. (106), Sat.Sun. (105), Mon. (106)., Tues. (107).
• Bulgari jewelry, watches, handbags, accessories, and fragrances are up to 75 percent off at the Soiffer Haskin showroom. Through 11/25. 317 W. 33rd St., nr. Eighth Ave. (718-747-1656); Sat.Tues. (96:30).