You can buy a range of armor weights at AmmuNation. When the bar is empty, the character is 'wasted' and you will be revived in the nearest hospital for a small fee. Shows how much health the character has left.
Note that while the character is in a flying vehicle or parachuting an altimeter will display over the mini-map. The map will rotate so that the direction the character is facing will always be at the top center of the mini-map. Press to zoom out the mini-map and see a larger local area. The mini-map shows the immediate vicinity.
