Question

why do people of the Sahara wear heavy robes

Answer 1

Climate in Sahara desert is extremely hot and due to that to protect themselves from heat, winds and dust storms people wear heavy robes.
Hope it helps you.

Answer 2

People in the sahara desert wear, long woollen robes that cover their whole body. Along with heavy soaled shoes to protect their feet from the hot sand. They also wear turbans on their head to protect it from the hot blazing sun.