This moisture-wicking, padded Spandex bra has an all-mesh racerback for added breathability. $30; aerie.com
A 1.5"-wide elastic band under the bust keeps this lightly supportive bra in place, and the soft lining is all comfort. $47 with code OPRAH2009; sugoi.com
C cup or bigger? Here's your bra: padded straps, hook-and-eye closures, and wicking fabric between the cups.
Lululemon Athletica, $58; lululemon.com
A snug, ribbed tank with a shelf bra is ideal for yoga or Pilates.
Calvin Klein Performance, $36, Lord & Taylor; 800-223-7440
Take this V-neck tank—designed by a Dancing with the Stars
champion— to salsa class. Cheryl Burke by Fit Couture, $47 with code OPRAH; fitcouture.com
Nylon and Lycra help this sleek, ultrasoft tank top retain its shape. $78, free shipping with code OPRAH; splits59.com
Replace an oversize tee with this flattering, bright V-neck (its seams run down the back, not the sides, for a more feminine fit). $25; nike.com
This incredibly lightweight long-sleeved tee protects skin with SPF 50—perfect for a run on a sunny day. $38; saucony.com
You'd never guess that this soft, thin tee is made of wool—warm, non-itchy merino wool. $56; icebreaker.com/oprah Next: Sporty fitness skirts with built-in shorts