The answer of "what to wear while traveling in Kashmir" depends upon the season in which you are visiting the valley. If you are visiting the Kashmir valley in summers, then it is better to wear cotton clothes. Although, like other places in India, Kashmir is not very hot in summers, still, the weather is a little bit warm. For spring season and autumn season, light woolens are the perfect clothes to wear in Kashmir.
This is because in spring as well as autumn, cool breeze blows in the valley. The winters in Kashmir are cold and chilly. So, in this season heavy woolens are the answer to the question of "how to dress up" in Kashmir, India.