There's no rule that says we shouldn't wear baggy top & bottoms together, in fact, while wearing a baggy bottom, it's actually good to wear a baggy or relaxed fit top to balance the body proportions. Else if you go with a slim fit top and baggy bottom, you'll get this very weird proportion which will straight away make you look ugly and short. Although, we can still go with a baggy top and slim or regular fit bottom, just wear a pair of chunky sneakers that will again balance the proportions.