Having to take a long look at your smartwatch while running because it’s hard to read can be fraught. The Garmin Forerunner 255 eliminates that problem with an always-on full-color display that can easily be read even in full sunlight. And the variety of readouts you’ll be able to see on the Forerunner 255 is truly amazing, starting with the Morning Report that starts your day with your Body Battery — a calculation ranging from 0 to 100 that calculates how rested you are, and if you’re ready for another day of working out or if you should maybe take a rest day.Among the other data gathered and translated by the Forerunner 255: sleep quality, pulse ox² and respiration, heart-rate variability, body temperature, menstrual cycle, and more. And it does all this while also providing advanced workout functions like showing you your entire week of suggested workouts, which can change after every run or other workout based on your performance and recovery.Garmin’s longstanding rep for great GPS-based wearables is only enhanced by the Forerunner 255. It utilizes Garmin’s SatIQ technology to determine the optimal GPS mode based on your environment, and when Multiband GNSS is needed. Those times would possibly include proximity to tall buildings or being in a densely wooded area where regular satellite GPS would have issues. This gives you superior positioning accuracy and also preserves the Forerunner 255’s battery, which already lasts up to 30 hours in GPS mode and a stellar 14 days in smartwatch mode.Garmin’s longstanding rep for great GPS-based wearables is only enhanced by the Forerunner 255. It utilizes Garmin’s SatIQ technology to determine the optimal GPS mode based on your environment, and when Multiband GNSS is needed. Those times would possibly include proximity to tall buildings or being in a densely wooded area where regular satellite GPS would have issues. This gives you superior positioning accuracy and also preserves the Forerunner 255’s battery, which already lasts up to 30 hours in GPS mode and a stellar 14 days in smartwatch mode.