I think right now Motorola needs help. They are even having trouble with keeping their accessories in stock. Majority of their Moto 360 stuff is Out of Stock as well. They do need more plants.
It is out of stock, but it is there. http://www.motorola.com/us/consumers/nexus-6-header/Nexus-6/nexus-6-motorola-us.html
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.