Wednesday, October 29: Halloween comes early! Dress in costume and head to Fresh in Georgetown to check out its adorable clothing and accessories selection. Costume prizes will be given for funniest, classiest, and best impersonation. freshlemonpie.com

Wednesday, October 29, and Thursday, October 30: Check out one-of-a-kind garments created with rare and innovative textiles from Japan at the Asiatica Trunk Show at the Park Hyatt Hotel (24th and M sts., NW). Noon to 5. asiaticakc.com

Friday, October 31: Celebrate the Halloween Bash Grand Opening of the new Betsey Johnson boutique in Georgetown (3029 M St., NW). From 4 to 8, enjoy treats and free gifts while supplies last. Best costume wins an autographed T-shirt! betseyjohnson.com/calendar.html

Friday, October 31, through Sunday, November 2: Year-round, Treat boutique offers sample-sale merchandise at prices 30 to 70 percent off retail. This weekend, take an additional 15 percent off any handbag—including designers such as Foley + Korinna and Rebecca Minkoff—at the Alexandria boutique’s Halloween Handbag Sale.

Saturday, November 1: Need some yoga wear? Stop by the Even Keel Yoga Trunk Show at Wink boutique from noon to 5. Even Keel designs by local designer Liz Matthews are made of sustainable materials—think bamboo and organic cotton—which creates a super-soft, breathable fabric that’s ideal for working out.

Starting Saturday, November 1: Calling all males! Through all of November, Davelle Clothiers, a men’s retailer in Reston Town Center, is holding its annual Trade-in Event. Donate menswear (ties, shirts, shoes, slacks, sport coats, and suits) to benefit New Life for Youth, a program that assists young men working to get their lives back on track. If you bring in an old suit, you’ll get up to $300 credit toward a new, handcrafted suit. For more info, call 703-904-0011.

Related:
→ Costume Stores in Washington
→ Vintage Stores for Costume Shopping

More>> Shop Around Blog | Style | Find a Spa