The waterproof coat has polycotton lining, you may have filled coats.
The fleece coats are lined with fleece, so you will have a double fleece coat for extra warmth, you can add wadding from the lists as well for added warmth. 
They have darts in the rump for a comfortable fit.
Cross over adjustable surcingles under the belly,
Velcro wrap around for the front.
Elastic straps round the hind legs, with clips.