Come Well-Hydrated and on an Empty Stomach. Make sure that you are hydrated before class. It is best to avoid too much water during the actual class. Too much water consumption will sit in your belly sloshing around and can actually make you feel worse than you think. Also, make sure you do not eat at least 2-3 hours before. Everybody is different, so you may find you are able to eat something light like a banana or a few crackers, but for your first few classes, see how your body responds to the heat and then take it from there.
Bring a Mat, 2 Towels and Water. (1 towel to put over the mat & 1 to dry off after class)
Bring Clothes you can Sweat in! You need to be able to wear clothes that you feel comfortable in while getting your sweat on. As you will find out, you will be forced to stare at yourself in the mirror for about 90 minutes, so feel good in your yoga gear and make sure you can see your body to connect with it while practicing the asanas. Here are few examples of what to wear: