[header] How to dress warmly for horse riding [title] Prepare a thermal t-shirt or long sleeve top-sometimes called a skin. [step] These are very handy, but are optional, as they can be expensive. If you do not have a skin, just wear a fitted t-shirt as your first layer. 
[title] Put on some thick jodhpurs, maybe even two pairs of them. [step] You need to keep your legs warm and moving so that the horse is still responsive to your aids.