Kate Moss re-emerged in London last week after isolating in a Cotswolds cocoon--appearing as chic as ever, face mask and all. (A disposable surgical one, BTW!) The linchpin to her back-in-action, up-to-the-minute look: a full, midi-length denim skirt. Despite its retro spirit, this silhouette is actually fall-fresh, with designers issuing myriad options this season. I scoured the market for the best ones, and they hail from , , , , ($20!), (vintage!) and ($39!). Love this skirt with high knee-high boots like these from , , and .