Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. If you’re ready to get in shape before the holiday season, it's worth looking at Amazon’s fitness deals. With everything from lightweight running shoes and running earbuds to recumbent bikes and walking pads on sale, the equipment needed to crush your fitness goals is at your fingertips. If you're looking for something to help y...