Garmin Fitness - Did you know: VO2 Max is the key to seeing, understanding and managing your fitness? It's an indication of aerobic endurance and the higher it is, the better shape
![Amazon.com: Garmin Forerunner 255 (Slate Gray) GPS Running Smartwatch | Runner's Bundle with HD Screen Protectors & Portable Charger | VO2 Max, Race Predictor, Body Battery, Heart Rate & Recovery Tracker : Electronics Amazon.com: Garmin Forerunner 255 (Slate Gray) GPS Running Smartwatch | Runner's Bundle with HD Screen Protectors & Portable Charger | VO2 Max, Race Predictor, Body Battery, Heart Rate & Recovery Tracker : Electronics](https://m.media-amazon.com/images/I/81iTtqpwblL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Garmin Forerunner 255 (Slate Gray) GPS Running Smartwatch | Runner's Bundle with HD Screen Protectors & Portable Charger | VO2 Max, Race Predictor, Body Battery, Heart Rate & Recovery Tracker : Electronics
![The Vívoactive 4 GPS smartwatch has built-in sports apps, VO2 Max for fitness monitoring, Garmin Pay� contactless payment solution, and more. The Vívoactive 4 GPS smartwatch has built-in sports apps, VO2 Max for fitness monitoring, Garmin Pay� contactless payment solution, and more.](https://www.garminoman.com/uploads/vvoactive-4-1615317552.jpg)