When the sun is shining bright, block out the glare and still keep your head cool with this Iowa Hawkeyes Sideline visor from Nike. It wicks away moisture and sweat using Dri-FIT and AeroBill technologies, which deliver a breathable feel. The perforated band will also help you stay comfortable in this Iowa Hawkeyes visor.When the sun is shining bright, block out the glare and still keep your head cool with this Iowa Hawkeyes Sideline visor from Nike. It wicks away moisture and sweat using Dri-FIT and AeroBill technologies, which deliver a breathable feel. The perforated band will also help you stay comfortable in this Iowa Hawkeyes visor.PRODUCT FEATURESOne size fits mostWipe clean with a damp clothCurved billAdjustable hook and loop fastener strapOfficially licensedDri-FIT technology wicks away moistureAeroBill technology wicks sweat away and provides lightweight breathabilityMaterial: 100% Polyester - Body; 79% Polyester/21% Spandex - SweatbandPerforated for ventilationCharcoal undervisorEmbroidered graphicsImportedBrand: NikeRubberized clip tag Size: One Size. Color: Grey. Gender: male. Age Group: adult.