HOTWORX - Lubbock, TX - South Indiana is a 24-hour infrared fitness studio and gym in Lubbock offering virtually instructed workouts in patented infrared saunas. Members have unlimited 24-hour access to sessions including hot yoga, Pilates, barre, cycling, HIIT, and other infrared sauna workouts. The studio describes its approach as a combination of heat, infrared energy, and exercise.