In the heat of summer hats sunglasses and long clothing can protect the eyes and skin from the sun harmful ultraviolet rays. to keep cool in the summer heat it is best for people to wear light loose clothing because it allows cooler air to reach the body and carry warmer air away. to cool itself the body may also begin to perspire. the sweat on the skin evaporates carrying body heat away with it. If the body gets too hot heat stroke can result