Fleeces can pull back under the rug and put pressure on the spine so aren't really ideal- though saying that I have used one before. I would put a heavyweight on I think.
yes acceptable and safe in my opiion but i would still opt for the heavy weight if you have one and its needed, fleeces rub shoulders out like nobodies business when left on for long periods.
That's great - thanks for your help. Think I will stick to the heavy weight to be on the safe side. Psychologically it seems a little warm for a heavy weight moving my boy to a new yard on a hill and its very chilly so should be ok!
I did it during the snow & didn't realise the damage till too late. Several weeks later a huge scab developed on his withers, & its only just healing now. I'd used a Thermatex under a heavyweight, but have now bought a proper rug liner which is cut higher over the withers & neck & is made of slippier nylon.
Id definately advise against it. As someones said - they can pull back. I used to put fleeces on under turnout rugs until this winter when it was particularily wet and windy for a couple of days (horse lives out), it pulled back one night, next day the chest straps had actually cut into his skin! Was absolutely awful