• Brooklyn-based handbag designers Shiho Nagashima and Ramana Goldstein of Dunlin are hosting a party for the opening of their first stand-alone store. Enjoy an open bar and live music by Jade Dylan. 263 S. 1st St., at Havemeyer St., Williamsburg, Brooklyn (718-915-6982); 7 p.m.
• Esprit in Rockefeller Center is hosting an in-store concert series, featuring music from Emily Brooke, Reni Lane, and Simon Spire. 600 Fifth Ave., at 48th St. (212-247-9899); 24.
• Saturday marks the final day of free bike rentals at Topshop's Bicycle Club. 478 Broadway, nr. Broome St. (212-966-9455); 108.
• Swing by the annual Smith Street FunDay Sunday Fair in Carroll Gardens for shopping, food, beer, and live music. Smith St., between Bergen St. and Union St.; 116.
• Shop tees, dresses, tanks, polos, and accessories at Epaulet's Sailor Jerry trunk show. 231 Smith St., nr. Butler St., Carroll Gardens, Brooklyn (718-522-3800); noon6.
• Bags for the People teams up with 3rd Ward to host "Sweatshop Socials" the last Monday of each month. Bring fabric and they'll provide sewing machines, instructions, drinks ($1 if you bring a cup; $3 if you don't), snacks, and live music. 195 Morgan Ave., nr. Stagg St., Williamsburg, Brooklyn (718-715-4961); 710 p.m.
• Apparel and shoes from Lauren Moffatt, Fremont, Dagmar, Whitley Kros, 80%20, and more are 35 to 75 percent off at Dear Fieldbinder. Through 8/2. 198 Smith St., nr. Baltic St. (718-852-3620); MS (11:307:30), Su (noon6).
• Find discounts of 25 to 75 percent at Epaulet's summer sale. Through 8/9. 231 Smith St., nr. Butler St. (718-522-3800); TS (noon8), Su (noon6).
• Jeans, dresses, jumpsuits, and rompers are 70 percent off at the Judi Ronsen sale. 160 N. 6th St., nr. Bedford St.; SSu (noon7).
• Save up to 75 percent on beauty products at the Bliss blowout sale. Through 7/5. 541 Lexington Ave., at 49th St. (212-920-1211); (108).
• Dresses are 75 percent off and handbags are 50 percent off at Ilus. 248 Elizabeth St., nr. Prince St. (646-454-1678); MF (noon7), S (noon6), Su (noon5).
• Spring/summer 2009 styles are 30 percent off and the resort 2008 and Vanity collections are 50 percent off at Lulu Guinness. While supplies last. 394 Bleecker St., nr. 11th St. (212-367-2120); MS (117), Su (noon6).