They are very different items
the hooded bush shirt is 3/4 length with a hood, drawstring neck and has a lineing
the Ranger shirt is of a shirt format (1/2 length) with a scooped tail (its longer at the back to prevent it riding up out of your trousers and exposing your kidneys) it is of a thinner construction and has no lining, no Hood and a 3/4 leanth brass zipper at the front