Replying to Orage Large = Saga Medium?

well i went to my shop tried on the Orage b-dog jacket size large. I wear a medium DC jacket and it sick, It comes about 4-5 inches above my knees, so i can still layer tall tees under it that don't have to go below my knees. but when i tired on the large Orage, it covered my tall tees and came about 2.5 inches above my knees. then i wondered to my self that i wanted to get a saga medium jacket at the end of the season, but i remembered saga runs big and i didn't want it to be to big.  Im 5'4