Garmin has launched the Tactix 8, the latest model of its ‘tactical’ watch that has military-focused features that now include a rucking mode where you can enter the weight of your backpack.

Built to military standards with a titanium bezel and sapphire lens, the Tactix 8 also borrows features from the Fenix 8, including leakproof buttons and a new sensor guard to help protect the watch’s ...

Garmin has unveiled support for rucking on its new tactix 8, but what is it, and will support come for more devices?