What: Lauren Merkin When: Mar. 14-16; Tues.-Thurs., 11 a.m.-7 p.m. Where: 231 West 29th Street, between Seventh and Eighth Avenues, suite 201 (212-239-2459). Why: Must-have clutches, were $180, now $90; totes, were $395, now $240; studded bags, were $275, now $110. What: Adam + Eve When: Mar. 23-25; Thurs. & Fri., 4-8 p.m.; Sat., 10 a.m.-3 p.m. Where: 450 West 15th Street, between Ninth and Tenth Avenues, fourth floor (212-675-2022). Why: Mens and womens tees, cardigans, sweaters, and other whatnots in cashmere and cotton are up to 70 percent off. Deals on spring and summer collections, too. What: Multidesigner Sample Sale When: Mar. 13-17; Mon.-Fri., 8 a.m.-7:30 p.m. Where: 250 West 39th Street, between Seventh and Eighth Avenues, suite 510 (212-221-2349). Why: Swimwear, cover-ups, and beachy accessories from Vix, Lisa Curran, Bella Brazil, Havaianas, and others are 40 to 60 percent off. What: Alice + Olivia When: Mar. 16-18; Thurs. & Fri., 9 a.m.-6 p.m.; Sat., 11 a.m.-3 p.m. Where: 80 West 40th Street, at Sixth Avenue, second floor (212-840-1155). Why: Trendy blouses, pants, sweaters, and other threads at 50 to 70 percent off retail. What: White + Warren When: Mar. 29-30; Wed. & Thurs., 8 a.m.-6 p.m. Where: 80 West 40th Street, between Fifth and Sixth Avenues, third floor (212-398-3295). Why: Cashmere cardigans, were $220, now $85; cotton sweaters, were $110, now $50; polos, were $45, now $25. What: Pratesi When: Mar. 13 & 14; Mon.-Tues., 9 a.m.-6:30 p.m. Where: Metropolitan Pavilion, 123 West 18th Street, between Sixth and Seventh Avenues, fourth floor (718-747-1656). Why: Plush Italian bedding, bath accessories, and table linens are up to 75 percent off retail. Classico king sheet sets, were $1,330, now $665; cashmere loungewear, was $1,360-$590, now $390-$175. What: Mika Inatome Custom Bridal Studio When: Mar. 13-17; Mon.-Fri., by appointment only. Where: 93 Reade Street, between Church and West Broadway, second floor (212-966-7777). Why: Wedding belles! Exquisite gowns are reduced up to 90 percent.