New Era MLB St. Louis Cardinals Authentic On Field Alternate 59Fifty Cap, 7 7/8 100% Polyester Fabric. Made in the USA and Imported Performance undervisor is black to reduce glare Same cap worn on the field by your favorite MLB team All on-field caps now made with enhanced performance fabric, sweatbands, and undervisors Moisture management takes away moisture away from the skin and moves it into the fabric, resulting in a cap that is cool and dry