CW-X Sport Support Bra $45
The bra "hugged very nicely without feeling tight," according to one tester. At first glance, the bra looks sleek and minimal, yet it achieves "perfect tightness" and optimal support. Our wear-testers liked the bra's simple look, and they felt it worked equally well under a shirt or alone. Sizes: S to L Best if you are: S to L; cw-x.com
Brooks Pro-Fit Bra $40
The Pro-Fit is packed with technology: supportive fabric that decreases bounce and adjustable racer-back straps and hook-and-eye clasps that make for a great fit. The removable cup inserts were a hit with a nursing tester. Sizes: 32B/C to 40B/C Best if you are: M to XL; brooksrunning.com; 800-227-6657
Hind Skinny Bra Top $38
One of two reversible bras that rated high with our wear-testers, this bra gives you the choice of a solid color or a pattern. And an asymmetrical back provides even more style. But this bra isn't just cute. It's seamless and offers superior comfort and moisture control. Sizes: S to L Best if you are: S; hind.com; 800-952-4463
Nike Sweat Beauty Reversible Sport Top $45
The Sweat Beauty's two-layer seamless design offers built-in support while a textured pattern helps to minimize the see-through factor. The slit opening in the back allows for ease of movement and optimal ventilation. Sizes: XS/S to L/XL Best if you are: XS to M; nikewomen.com; 877-533-6453
Moving Comfort's Maia Bra $40
You'll want to wear the Maia even when you're not exercising, yet it earned top marks for support and fit. The opening in the back makes it easy to put on and take off, while the hook-and-eye closure system allows for a truly customized fit. Sizes: 32C to 44DD Best if you are: M to XXL; movingcomfort.com; 800-763-6000
Champion's Double Dry Cotton Racer Back Bra Top $30
This is the first cotton bra available that keeps moisture away, impressing one tester: "There aren't too many bras that can wick away my moisture." The top also provides superior motion control for larger runners. Sizes: S to XL Best if you are: M to XL; www.championusa.com; 800-999-2249
Mountain Hardwear's Stamina Double Bra $50
Each of the Stamina's two layers has its own adjustable straps. The result is top-notch support and a great fit. The design also garnered high marks for looks. "The two layers were attractive and fun," one tester said. Sizes: XS to L Best if you are: XS to M; www.mountainhardwear.com; 800-953-8375
Run strong and sign up for a race.