The Blue Rambo Pants are a clothing item that can be found in Apocalypse Rising. It can be bought at the spawn screen for one credit. 
Rambo Pants (Blue


The Blue Rambo Pants are a variant of the Rambo Clothing. They are considered a step up from Civilian Clothing, and shows that the person who has it is at least a little bit experienced. It doesn't help you blend in, but it doesn't really hurt you either. They look like typical real life jeans. The main difference between these and civilian pants is that these appear to have boots instead of shoes.