Athleisure is the trend on the lips of every fashion lover right now. With the Rio Olympics in full swing, it seems every fashionista is in a particularly sporty mood! For the uninitiated, Athleisure is all about embracing sportswear as part of your everyday look. Instead of wearing it to the gym, you sport it on nights out, to brunches with friends and even to the office. Simply mix sporty basics into your existing wardrobe—and voilà, you’re a regular Gigi Hadid. But where to start?? And what Athleisure basics to invest in? There’s a fine line between nailing the athleisure trend and…