Belly Dancing Workout Clothes Tops and BottomsWhen you go to a belly dancing class, you'll notice a wide variety of costumes and fitness gear. A well-fitting bra is key as a foundation to your costume. Clothes that are comfortable, flexible and breathable will help you with fluid movements and transitions. Whether you choose to wear a pair of yoga pants or you purchase a traditional belly dancing skirt, you should be able to move your hips and legs freely. While more experienced belly dancers choose to bare their midriffs during class, you needn't show your belly in order to participate. A longer tank top or Discount Dresses shirt is fine. Look for form-fitting clothes so your instructor can see your body and form. Hip SashThe Ethnic Dance Expressions website notes that a hip sash is one of the most important pieces of clothing for belly dancing. Hip sashes can be any gauzy piece of material that fits around your waist, whether you purchase one from a specialty store or make your own. The importance of a hip sash is multiplied if you happen to choose more concealing shirts as your workout tops. Since your instructor cannot see your belly, she'll use your sash as a way to watch the movement of your hips to ensure proper form.