The Outside Festival 2025 headliners are here! 🎸 khruangbin, lordhuron, tbtduluth, nealfrancismusic and more will hit the stage at the Outside Festival presented by Capital One x REI. Plus, catch adventure films, inspiring speakers, and everything outdoors at Civic Center Park, May 31-June 1. 🎟️ Grab your tickets during the two-day Capital One Cardholder Presale, including the REI Co-op® Mastercard®. Happening Dec. 11 at 10 a.m. to Dec. 13 at 10 a.m. MT, while supplies last. Visit the bio link to get your tickets. 📷: getoutside outsidemagazine 📍: visitdenver #OutsideFestival