With these Wirecutter-approved picks under $100, you don’t have to spend a lot to get a good deal this Amazon Prime Day.

It only takes 20 minutes, five moves, and this barbell complex workout to burn calories, sculpt stronger muscles, and boost your metabolism through muscle conditioning.

You're looking at a brilliant exercise if you sit down all day, as they work your hips and back muscles. We’ve also found more of the best exercises to do if you sit down all day here.

We spoke to experts and tested 12 picks from Hyperwear, GoRuck and more to find the most versatile, comfortable options.