Yeah, I see what you mean...just goes to prove that even the box-artists don't always get it right. That pattern looks like a mix of "pea-dot" and "oak-leaf"...Pea-dot should look more like the guy on the left:
The guy on the right is wearing a Fall version of "oak-leaf"...
Here are some pics of the real thing (pea-dot pants on the left and oak-leaf on the right):
Here is my recent figure w/ pea-dot pants and oak-leaf smock and helmet cover: