From Chloe Kim to Angel Reese, Athletes and Fitness Gurus Share Their Best Product Recs

Fit Simplify Resistance Loop Exercise Bands ($10)

Pro tennis player Tommy Paul is a fan of these bestselling loop exercise bands. Compact for travel and easy to store, the exercise bands are a convenient way to add more resistance to your strength-training routine. "You can grab them pretty much anywhere, and they're unreal for warming up before practices or matches," Paul shared. "Honestly, it can be harder than the actual lift itself."