When I went out to feed them breakfast, the depth of water in one of the buckets let me know that it had been raining for some time. But I was relieved to find the horses placidly grazing, and as they approached I once more observed how well their coats are designed to keep them warm in the rain.
The hair lies in such a way that the water runs backwards rather than downwards, and their undersides and chests stay dry.
I returned later with a bale of hay, after a couple more hours of heavy rain, and found the horses still staying pretty dry.
|After another two hours of heavy rain|
The only times I've seen our horses shivering have been on days when wet snow is falling, which piles up on their backs and then melts down into their coat. Also, although they're staying dry now, if the rain were coming down hard at an angle and there was a chilling wind, I think they might end up getting too cold. So if I plan to sometimes keep them over the winter in the no-shelter field, I might resort to using waterproof sheets.