If the class you're looking for doesn't suit your schedule, don't worry! we'll help you find a time. our schedule changes with the seasons, so stay tuned for new upcoming classes!. Aerial warehouse offers an alternative fitness experience by using a secured apparatus (a vertical pole and/or a fabric sling) to provide support and stability for stretching and strength training.. Aerial hippie is located on the 4th floor of the lincoln warehouse in milwaukee. aerial hippie offers aerial silks classes , lyra, aerial hammock and vinyasa yoga. aerial classes are a type of aerial fitness and performance art in which an aerialist performs acrobatics while hanging from fabric..