Preventing the hair from getting wet and from entering one's eyes was the preliminary function of a swim cap before swimming became a sport. Now, people wear swim caps to relocate much faster with the water, to shield their hair from staining due to chlorine, to be more visible, and to be more trendy.

Avoiding the hair from getting wet and from entering one's eyes was the initial function of a swim cap before swimming became a sport. Now, people wear swim caps to relocate quicker with the water, to shield their hair from discoloration due to chlorine, to be more noticeable, and to be more trendy.