• Receive 15 percent off all purchases at the opening party for Kaight's new Brooklyn store. DJ Sonny Choo will play, and Cava and snacks will be served. 382 Atlantic Ave., nr. Bond St.; 6–9.
• Attend a free DIY aromatherapy fragrance class led by Anne McClain of MCMC Fragrances and take home a free vial of custom-made perfume. RSVP to Anne@MCMCFragrances.com. McGolrick Park, Russell St., nr. Driggs Ave.; 3 p.m.
• Check out Harlem Pop's free three-month mash-up of art, music, fashion, and film. Designers include Harriet's Alter Ego, Idyllilc Couture, Memory Lane by Toya, and more. Opening weekend includes rotating DJ sets, a free yoga class, complimentary brunch, and more. See details here. Through 11/28. 2037 Fifth Ave., nr. 126th St.; S (11–7), Su (noon–6).
• Receive a complimentary Mattese Elite makeover, hair consultation by the Hair Rules team, and Diva by Cindy product samples at Ricky's NYC's Summer Space beauty event. 107 Montague St., nr. Hicks St.; noon–4.
• Attend a free Physique 57 workout class with instructor Tanya Becker and receive a complimentary sample of Biore's makeup removing towelettes. Reserve a spot and register here. Physique 57 Studio, 161 Sixth Ave., nr. Spring St.; 4:30–5:30, 6–7, and 7:30–8:30.
• Shop furniture, bedding, and décor from around the world during Serena and Lily's Bazaar online pop-up sale. Prices range from $75 to $5,000, including a French Deco chair upholstered in ikat ($1,650); rugs from Uzbekistan, Kyrgyzstan, Turkey and Morocco ($650 to $2,300); a mid-century Suzani upholstered chair ($1,500), and more. Through 9/23. Online only.
• Lingerie, loungewear, and sportswear by Stella McCartney, Elle Macpherson, Huit, and more are up to 80 percent off at Only Hearts. 386 Columbus Ave., nr. 78th St.; W–F (11–7:30), S (11–6:30), Su (11–6).
• Take an additional 40 percent off sale merchandise at Calypso St. Barth. 935 Madison Ave., nr. 74th St. (212-535-4100); T–S (10–7), Su–M (11–6).
• Armchairs, tables, and sofas by B&B Italia and Maxalto are up to 65 percent off. 135 W. 18th St., nr. Sixth Ave.; F–Su (10–6).
• Skis, snowboards, tennis gear, workout clothing, and athletic footwear are 50 to 80 percent off at the Paragon Sports warehouse sale. 18 E. 18th St., nr. Fifth Ave.; Th–F (9–8), S (10–8), Su (11–7), M–Th (10–8).
• Shop vintage apparel from YSL, Issey Miyake, Marimekko, and more at this joint stylist sale. Prices range from $20 to $1,000. Panda, 139 Chrystie St., nr. Delancey St.; F–Su (noon–8).