Similar to pants, tactical shots are made to allow for unrestricted mobility and agility, as well as durability. They are made to retain the utility of pants and allow cooling in hot climates.
Aside from needing optimal materials to retain durability, tactical shorts are made with balanced pockets and clips as to allow for ideal weight distribution and leg maneuverability.
While shorts with an army print may be bought virtually anywhere, tactical shorts need to be purchased from a tactical gear manufacturer. UARM offers outback tactical shorts in their line.