We know a good number of airsoft players who prefer using the Garmin Multisport GPS watch for fitness and adventure and with the upcoming the Garmin Fenix 5, it keeps up with the competition with the inclusion of hear rate technology. The DC Rainmaker gives us a hands on look at its features... "Here's everything you need to know about the new Garmin Fenix 5 series. Including the Fenix 5S and Fenix 5 X."