• Anya Hindmarch is celebrating Halloween by offering customers complimentary treats at any of her stores, plus the chance to win an Anya Hindmarch bag, clutch, purse, or key ring from her fall 2008 collection. 115 Greene St., nr. Prince St. (212-343-8147); 29 E. 60th St., nr. Madison Ave. (212-750-3974); 107.
• MaxMara dresses and separates are up to 70 percent off. Through 10/31. 145 W. 18th St., nr. Sixth Ave. (212-388-0339); Mon. (18), Tues.Thurs. (108).
• Portlano is hosting a sale on their luxurious cashmere wraps, shawls, pashminas, hats, silk ties, and winter accessories as well as small leather goods. Through 10/31. 15 W. 37th St., nr. Fifth Ave. (212-719-4403); 106.
• Prices on Italian brands like Incotex, Zanone, Montedoro and Glanshirt are 65 percent off for both men and women. Through 10/31. 135 Fifth Ave., nr. 20th St., ninth fl. (646-492-5047); Mon.Fri. (106), Wed. (108:30).
• Enjoy 15 percent off your purchase at the online boutique of [hus], the Scandinavian lifestyle store featuring clothing, accessories, home goods, and skincare from brands like WeSC, Nudie Jeans, Filippa K, and more. Enter "OCTOBER" at checkout. Through 10/31.
• Best known for denim, Miss Sixty also has V-neck dresses (now $45), hooded down jackets (now $95), and zip-front satin shoes (now $95), all for 50 to 75 percent off. Through 11/1. 260 Fifth Ave., nr. 28th St. (212-725-5400); Mon.Fri. (107); Sat. (106).
• Elizabeth Charles celebrates Halloween with 30 percent off anything black or orange; a Karen Walker checked orange tunic was $489 but is now $342. Through 11/2. 639 1/2 Hudson St., nr. Horatio St. (212-243-3201); Thurs.Sat. (noon7:30), Sun. (noon6:30).
• GomiNYC is hosting a sample sale with up to 75 percent off their organic and environmentally-friendly clothing and accessories. Through 11/2. 443 E. 6th St., nr. First Ave. (212-979-0388); Mon.Fri. (18:30); Sat.Sun. (noon8:30).