Waterproof Riding JacketsRegular exercise is a must for horses no matter what is happening and how bad the weather is. It is not good to go without some or the other form of exercise for your horse. Even during wet weather, hot summers or the cold winters there is always the need to exercise your horse. In the wet weather riding can be uncomfortable as it is difficult when you are soaking wet. But sometimes you just have to go in the wet and there is no way round it!