Basically what the Title said. In the summer I would wear a polo shirt, breeches, belt, tall boots and my show helmet. How is one expected to dress for a clinic in the winter? Long sleeved polo? Show clothes?
Yup, what was said above. Those Polar Fleece riding pants that Kerrits and Irideon and such make come in handy, and some nice, fitted jackets. Not show jackets, just ... well, jackets! :p Long boots, and SUPER fuzzy socks ;)
I wear my show breeches with thermals like under armour underneath if its very cold (just more formal then my winter breeches). A fitted sweater (again w thermals under), and If needed a short fitted jacket over that. If my jacket will be zipped up the entire time I also wear a scarf and tuck the ends into the jacket so they don't fly around. Probably not safe and it's distracting! Gloves. No ear warmers. Really the key is to look professional while warm and keep your clothes fitted so your clinician can see what your body's doing. Posted via Mobile Device