A lithium battery patterned with holes is flexible, stretchable and allows more airflow than cotton, making it perfect for ...

Working up a sweat feels even better when you love what you’re wearing — but you don’t have to splurge on high-end brands to ...

A long-sleeve shirt with a slot for your sports watch, a rainproof running jacket, and long pants with reflective features—these are the clothes that will make your fitness routine more pleasant.

Save up to 58% on Nike’s best-selling sneakers, leggings, sports bras, and more—styles are selling out quickly. Don’t wait to ...

The 'Real Housewives' star says this longline, lightweight piece 'holds everything in' through workouts and more.