It works well. Here is a picture of my buddy Timmy...took him on a real cold -19º trip and had a full JRB Hudson River TQ/UQ 20º under him with my DIY 3/4 UQ 25º over that. Then the parka I had him take and zip that over the footboy.
No complaints from him!
Whoooo Buddy)))) I Love Onions, Grits, Greens, Livermush, NC Style BBQ, Potted Meat, Anchovies, 'Naner Puddin", Peanut Butter Pie, Red Velvet Cake and Cocoa and Straaaaaawwwwberrrry Milk and Coffee Crisps....
I Hope Heaven has a Bakery!!!!