Tomorrow’s Events and Sales: 30 Percent off Lulu Guinness; Last Chance for 50 Percent Off True Boutique

EVENTS
• Bring in a gently worn pair of shoes to Puma stores nationwide and, no matter what brand or style, receive 30 percent off a new pair of sneakers and 15 percent off at any outlet store. All donations benefit Soles4Souls, a group that provides footwear to those in need around the world. Through 7/11. 521 Broadway, nr. Spring St. (212-334-7861); M-Th (10-8), F-S (10-9), Su (11-7). 22 Union Sq. West, nr. 16th St. (212-206-7761); M-S (10-8); Su (11-7).

SALES
STARTING TOMORROW
• Save up to 50 percent on gifts like Orbiter watches, Babylonian Carnelian necklaces, and Louis Sullivan clocks during the Metropolitan Museum of Art Store’s summer sale. Through 8/22. 1000 Fifth Ave., at 82nd St. (212-570-3894); T–Th, Su (9:30–5:15), F–S (9:30–8:45).

ENDING TOMORROW
• All dresses are 50 percent off and all denim is 30 percent off at True Boutique. 278 Mott St., nr. Houston St. (212-431-7709); T-S (noon-7), Su (noon-6).

ONGOING
Oak hosts its 30/40/50 sale: Select merchandise is 30 to 50 percent off. Through 7/9. 208 N. 8th St., nr. Driggs Ave., Williamsburg (718-782-0521); M-S (11-8), Su (11-7). 28 Bond St., nr. Lafayette St. (212-677-1293); M-S (11-8), Su (11-7).

• Select ready-to-wear and accessories are up to 40 percent off at the Stella McCartney spring/summer sale. The floral-print pleated chiffon dress is $2,879 (originally $4,795), the cobalt silk-slub jacket is $1,229 (originally $2,045), and the sequin pants in black and nude are $679 (originally $1,125). Through 7/15. 429 W. 14th St., nr. Ninth Ave. (212-255-1556) .

• Save on designer shades at Solstice Sunglass Boutique. Spend $125, receive a $25 gift card; spend $250, receive a $50 gift card. Through 7/31. Various hours and locations.

• Select designer collections are 30 percent off at the Swarovski Crystallized sale. The Gian Paolo Maria Klimt collier is $350 (originally $500) and the Phillippe Ferrandis Pearl ring is $109 (originally $155). Through 7/17. 499 Broadway, nr. Spring St. (212-966-3322); M-W (10-7), Th (10-8), F-S (10-7), Su (noon-6).

• The spring 2010 and past-season handbag collections are 30 percent off at Lulu Guinness. Through 7/31. 394 Bleecker St., nr. 11th St. (212-367-2120); M-S (11-7), Su (noon-6).

• Bras, panties, sleepwear, swimwear, and more from Japanese and European labels are up to 70 percent off during Kaori's Closet's summer sale. Prices start at $6. Through 7/31. 71 W. Houston St., nr. Wooster St. (212-387-7788); M-S (11-7), Su (noon-6).