• Join Elena V Designs and Momentum for a limited-edition fitness collection runway show. The evening will feature special dance performances by contemporary mambo dancers and Bernardo de la Vega. RSVP to firstname.lastname@example.org. Tickets $10 online, $15 at the door. Copacabana, 268 W. 47th St. at 8th Ave.; 7 p.m.
• Items will be discounted up to 70 percent off retail at the Paige Novick sale. 20 W. 22nd St., nr. Fifth Ave., Ste. 1602; T (10–7), W–Th (10–6). Through 7/26.
• Items range from $13 to $80 at the Cosabella sample sale, starting Sunday. Find discounts on panties, bras, robes, dresses, baby-dolls, camisoles, and skirts. 220 Lafayette St., nr. Spring St. (212-405-1190); Su (11–6), M–Tu (11–7).
• You can find Theory women’s and men’s apparel at its Clothingline sample sale. 261 W. 36th St., nr. Eighth Ave., second fl. (212-947-8748); M–Tu (11–8), W–Th (11–7). Through 7/26.
• Items will be up to 50 percent off at the Jen Kao sale, which starts on Monday. 530 Seventh Ave., nr. 38th St., Ste. 402; daily (9–6). Through 7/27.
• Tops, jackets, dresses, skirts, knitwear, and pants will go for up to 85 percent off regular prices at the Tess Giberson sale. 97 Crosby St., at Prince St.; daily (11–7). Through 7/28.