The Nike Dri-FIT Unstructured Ace CB Visor is an unstructured running visor that shields the most important parts of your face while keeping you head feeling breeze and cool. DRI-FIT ADV sweat wicking band manages moisture and vent holes around the crown aid in keeping your head dry and cool. The shorten AeroBill reduces the suns glare on your eyes while staying just out of sight. Adjust to the right fit with the adjustable back strap design.