4 people in a class. The most popular of all the pilates equipment is the Reformer. In our Reformer classes you will find a wide variety of exercises promoting length, core and extremity strengthening, flexibility, and balance. When using the Reformer, it can make a dramatic change in your body. The best thing about the reformer is its versatility. Exercises can be performed lying down supine, prone or sidling, as well as sitting, standing, and kneeling. There are hundreds of exercises from beginners to our most advanced clients. Our instructors will provide challenging and personalized instruction.