Compact collapsible chair. Check. Gigantic water bottle, Yes. Thoughtfully curated outfit. Of course. When you make your way to Zilker Park every October for the Austin City Limits Music Festival, you need the essentials. Time was, we all wore wrinkled T-shirts, cutoff shorts, and a sunburn to ACL, but for many festgoers, the field is now a stage for personal style.Weekend one, among the fans who came out to sing along to Hozier, Maren Morris, Luke Combs, and Dylan Gossett and see up close just how immovable Sabrina Carpenter’s hair really is, we saw brightly colored boots kicking up dust, bejeweled hats glinting in the sun, belt buckles of turquoise and hammered metal, and miles upon miles of fringed hem.Here’s who stood out to the…