Rare footed version that you can no longer order from the Skinnify website. Made with 8 Resistance bands version (compared to the 4 band, and 6 band version,) for maximum 30% more calories. Advertised to lose weight by wearing these leggings with built-in resistance bands that turn everyday movements into workouts Maximize Your Calorie Burn: Our Resistance Band Leggings help you burn an additional 400 calories every day.