• Let the lingerie experts from Bra Tenders help you find your true bra size while you enjoy Champagne, cupcakes, and local music at this free event. All guests will be entered to win a prize basket. R.S.V.P. at eventbrite.com. Bra La Mode, 630 Ninth Ave., at 44th St. (212-957-7000); noon–4.
• Shoes from the fall-winter collection are 70 percent off at United Nude. The Pin Belt booties are $124.50 (originally $415), the Helix Hi boots are $75 (originally $250), and the Step Mobius Velcro Hi boots are $178.50 (originally $595). 25 Bond St. (212-420-6000); M-F (11-8), Sa (11-7), Su (11-6), through 2/4.
• Vintage items are discounted 30 to 75 percent at Vintage Shaun. 152 MacDonough St., at Throop Ave.; Sa (noon-7), Su (1-6).
• Browse rare and vintage items from Yves Saint Laurent, Comme des Garçons, Fred Leighton, Stephan Sprouse, and more at Mafalda. Get 20 percent off one piece, or buy two pieces to get half off the lower-priced item. All merchandise in the store's Treasure Trunk is $15. 360 Atlantic Ave., Brooklyn (347-987-3470); Wed-Sa (12-7), Su (12-6), through 1/29.
• Take an additional 50 percent off sale items at Intermix in-store and online for a total of up to 80 percent off. Various locations and hours, through 1/31.
• Sale items have been reduced by an extra 40 percent at Otte in-store and online, including pieces from L'Agence, 3.1 Phillip Lim, Tucker, and rag & bone. Various locations and hours, through 1/31.
• All men's and women's resort and swimwear is up to 70 percent off at Orlebar Brown's online OB Sale Shop. orlebarbrown.com/sale; through 1/31.
• Browse cashmere gloves, fingerless gloves, hats, and scarves at the Meg Cohen Design Shop. All cashmere is 30 to 50 percent off. 59 Thompson St., nr. Broome St. (212-966-3733); daily 11-7, through 1/31.
• All women's apparel and select home goods are 30 percent off at C.Wonder during their post-holiday sale. Wool sweaters are $55 (originally $78), sweater dresses are $68 (originally $98), and jackets are $118 (originally $168). 72 Spring St., at Crosby St. (212-219-3500); M-Sa (10-9), Su (11-8), through 1/31.
• Men's flannels, sweatshirts, tees, and outerwear are 30 to 50 percent off at Park Delicatessen. Converse and Habitat sneakers are 30 percent off. 533 Park Pl., nr. Classon Ave., Crown Heights (718-789-8889); M–S (noon–7), F (noon–8), Su (noon–5), through 1/31.