Editors handpick every product that we feature. We may earn money from the links on this page.

Get Your Best Water Workout

Speedo's Core Stabilizer suit, $98 (speedousa.com)

WHAT IT IS: A swimsuit constructed with the same NASA-designed precision as Michael Phelps' super-skintight number, but comfier (this amateur version boasts a knit fabric that has more give than that of the pros').

WHAT IT DOES: Its girdled core region keeps hips afloat for less drag and speedier stroking.

THE RESULT? A more efficient workout.

WHAT WE LOVE: The belly-flattening silhouette—and the bust-supporting, sewn-in sports bra.

Advertisement - Continue Reading Below
More From Health & Fitness