Heavy Darklight Armor rigid neck problem

[Matsume]

Screenshots:

Normal: http://i.imgur.com/2PWvM.jpg
Heavy Darklight Armor: http://i.imgur.com/StX0w.jpg
(the NPC to the left of the screen is being target locked, my character is pointed directly at them)

Normal: http://i.imgur.com/TcJ9K.jpg
Heavy Darklight Armor: http://i.imgur.com/yxaAI.jpg
(can't look at target in passive mode either)

Those pants make your butt look big.