User blog comment:Lord Loss/Monster Hunter Frontier G Discussion/@comment-6050823-20130621050653/@comment-969093-20130623135958

Those currently silhouetted armors are the hiden armors (hidden armors) which are specialised for 1 weapon type each. As for how strong an armor can get, I don't know. Highest defense I seen on a piece so far is about 270. I expect to see armors with 300 defense a piece or more in G2.