Supportive sandals primed for all-day adventures, from city strolls and hikes to hitting the beach. For years, I packed a pair of Havaianas flip-flops on every trip, from an active getaway in Croatia to a beach vacation in Puerto Rico . But whenever I wore them, I was powering through chaffing between the toes and calf pain from the thin, foam-like soles. Then one day, I found a pair of old Speedo slides with arch support and a heel cup in my closet. I slid into them and couldn’t believe the difference after a day—both issues were eliminated, plus they were just so comfy because of the contoured footbed. That’s when I started exploring the world of walking sandals, realizing there is a way to keep that easy breezy feeling of open-toed shoes without forgoing actual foot support . To help you enjoy a blister-free summer , I asked Condé Nast Traveler editors to share their go-to sandals for warm-weather trips, featured below alongside my personal top picks.…