Top 3 hard summer outfits to wear this year hard summer music festival, also referred to as “hardfest” by the fans, is an annual rave that was first founded in 2007. Likewise, it’s important to wear layers or at least bring a light coat. Often at summer music festivals, it can be boiling during the day and can rapidly cool down during the evening. Black fishnet tights are the perfect avant. Home event picks hard summer. Hard has been throwing down since 2007. They always have a dope lineup but you're going to have to leave your rave style at home. This festival doesn't allow. Funky festival outfits with long skirts. Like maxi dresses, long skirts could be a choice when you wonder what to wear to a music festival.