Betsy Jenney (114 Newbury Street, Boston, 617.536.2610): ongoing, 50 percent off everything in the sale room; up to 75 percent off selected items. Boutique Fabulous (1309 Cambridge Street, Cambridge, 617.864.0656): through July 1, mention Stuff@night and receive 15 percent off vintage clothing. Habit (703 East Broadway, South Boston, 617.269.1998): through June 30, 15 percent off all full-price jeans; up to 60 percent off sale-rack jeans. Ku De Ta (663 East Broadway, South Boston, 617.269.0008): ongoing, 25 to 75 percent off selected merchandise. The Alter Eco (244 Brighton Avenue, Allston, 617.779.7355): June 21, from 11 a.m. to 7 p.m., buy one item and get half off selected items. Twilight (12 Fleet Street, Boston, 617.523.8008): June 21 and 22, up to 75 percent off selected merchandise; dresses starting under $100; pants for $75. Email sale news to style@stuffatnight.com.