Error in Lord Commanders coat

So I've noticed a slight error in the position of the shoulder armor bits when running with this glamour. They float off the arm while you are sprinting, as seen below. However they are perfectly fine in any other state.

Shoulder armor while sprinting(Floating off the arm).
https://youtu.be/J2f8J37wXMw
Normal running(Looks fine).
https://youtu.be/loASL21s_ak

Date & Time: 11:30pm Mountain time
Frequency: Always
World name: Mateus
Character name: Liu Zhi@Mateus
Class/Level: Smn 70
Party or solo:
In-game time: 3:38am

Steps:
1. Activate run while wearing the lord commanders coat