For most, the sweaty, skiing, hiking or camping.
Sauna suits are usually used by amateur or Sauna suits should be combined with a proper diet if your goal is to lose weight. Water lost from sweating is immediately regained by water consumed after your workout.
Most sauna suits are basic sauna suit is very affordable at around $10 per suit. It's an inexpensive workout option compared the the sometimes high price tag of using a sauna.