• Stop by Acqua di Parma’s barber event at Barneys for a complimentary straight-blade shave. Customers will receive a special gift with any purchase. 660 Madison Ave., nr. 61st St. (212-826-8900); noon–6. Call 212-833-2617 to make an appointment.
• Meet the models of the 2011 FDNY calendar and have the firefighters sign your copy at Bloomingdale's. 1000 Third Ave., nr. 59th St. (212-705-2000); 6–8.
• Celebrate "fashionable excess, black leather, chains, vodka, and rock ‘n roll" as clothing label Obesity + Speed partner with Oak, D.J.'s Becka Diamond and Greg K, and Kanon vodka for a party. There will be special limited-edition tees in store. 28 Bond St., nr. Lafayette St., (212-677-1293); 7–9.
• Meet designer Paige Ralston as she presents her latest handbag collection at Henri Bendel. 712 Fifth Ave., nr. 56th St. (212-247-1100); 11–8.
• Browse the latest collection of bridal gowns at the Carolina Herrera spring 2011 trunk show at Saks. Through 4/30. 611 Fifth Ave., nr. 51st St. (212-753-4000); 10–8. Call 212-940-2269 to make an appointment.
• Womenswear and shoes are up to 80 percent off at the Zero + Maria Cornejo and Repetto sample sale. The grass-print Mara skirt is $75 (originally $389), the silk-charmeuse Nella dress is $150 (originally $499), and the twill Simple Jenga pant is $75 (originally $467). More than ten years' worth of archive samples start at $50. 84 Wooster St., nr. Spring St., sixth fl. (212-925-3849); Th (11–5).
• At Flash Consignment's latest children's clothing sale, consigners register and create personal bar-coded tags using an online system then earn money on their outgrown kids' stuff (and shop for bargains). Most unsold items are donated to Baby Buggy, to provide for NYC's neediest families, too-worn-to-be-sold textiles are collected to be sent to disaster areas or recycled, and laundered stuffed animals are sent to comfort children in need. Through 5/1. 154 Sullivan St., nr. W Houston St.; Th, S (10–8), Su (10–4). For more details and to register, visit flashconsignment.com.
• Archive and one-of-a-kind styles are half-off at the Slane fine jewelry sample sale. Through 4/29. 48 W. 25th St., nr. Sixth Ave.; eleventh fl.; Th–F (10–6).
• Men's and women's clothing, shoes, accessories, books, and gifts are up to 75 percent off at the Paul Smith sample sale. Through 4/30. 382 W. Broadway, nr. Spring St.; Th–S (11–7).