• Oak launches volume three of Oakazine, its in-store fashion mag, at the grand opening of Blackout in Greenpoint. Music provided by Runaway (Marcos Cabral and Jacques Renault). Open bar. Blackout, 916 Manhattan Ave., nr. Greenpoint Ave., Greenpoint, Brooklyn; 10–12.
• EDressMe.com is hosting a Labor Day sale on designer dresses. Print sundresses by Anna Sui are $390 (originally $563), wrap cocktail dresses by Tracy Reese are $99 (originally $330), and smocked border-print dresses by Anna Sui are $199 (originally $449). Through 9/7. Online only.
• Consolidated spring items from all three Bird locations are 75 percent off at the Park Slope store. The Bird One Night Stand handbag is $239 (originally $950), the Isabel Marant short black pleated trench is $169 (originally $675), and Stella McCartney satin two-tone pumps are $159 (originally $645). Through 8/31. 316 Fifth Ave., nr. 2nd St. (718-768-4940); F (noon–8), S–Su (noon–7), M (noon–8).