The Rush 12 2.0 Backpack from 5.11 is an upgraded version of the rugged daypack Rush 12 where 2 new features have been developed - a safe and padded pocket for your computer and a small compartment with hook and loop system. The backpack was originally developed and designed by ...The Rush 12 2.0 Backpack from 5.11 is an upgraded version of the rugged daypack Rush 12 where 2 new features have been developed - a safe and padded pocket for your computer and a small compartment with hook and loop system. The backpack was originally developed and designed by Kyle Lamb who has 21 years of experience in the US Army of which 15 years are among the special forces.