Ivivva
125 Westchester Ave, White Plains
(914) 946-0507; www.ivivva.com
It’s not cheap, but that’s the point: Forget rebuying your yoga/dance/track star “disposable” threads that pill and fade. Lululemon’s spinoff for girls ages 4 to 14 lives up to the brand’s rep for functional apparel—tanks, crops, shorts, sports bras, and accessories—with a look she’ll obsess over, like neon-pink tie-dye.