Why should weights and strength training be a part of every workout regimen? Because stronger muscles not only mean improved tone, they also aid in the fat burning process. Shop dumbbells and free weights in a variety of pounds and sizes perfect for both men and women some of the top names in fitness equipment — Everlast, Valeo, Bowflex, Apex and many more. Free weights are the perfect companion to many fitness DVDs, particularly ones which feature strength training and "boot camp" exercises.