Nike Tennis Feather Light Visor: The Nike Tennis Feather Light Visor is a stylish, streamlined complement to the feather light cap. This visor is the lightest product you will ever wear on your head. The soft hand and Dri-FIT properties make it a true blend of comfort and performance with a Swoosh design trademark on the center front and a quick-adjust back closure for secure, one-handed on-the-fly adjustability.