Garmin Instinct Solar & Garmin Forerunner 255  Backpackers and thru-hikers will love Garmin’s Instinct Solar easy-to-use watch, with extended battery life (70 hours in GPS mode), solid digital mapping and customizable data for a wide range of activities. Plus, built-in sports apps to monitor running, biking, swimming, strength training and more, with a fiber-reinforced polymer case and scratch-resistant Corning Gorilla glass.  The Forerunner 255 watch hits the sweet spot for runners, swimmers, bikers, hikers and skiers, and for good reason: intuitive user interface, strong battery life, accurate tracking and Goldilocks design. Better yet, the 255 comes in two sizes (the…