97% Polyester/3% Spandex Importado Adjustable Cap + Flexfit Technology #1 Comfort for adjustable hat – Features Flexfit??s patented spandex headband. Ballcap Roots ?C Proformance material wicks away moisture and is engineered to keep you cool. Signature synthetic fibers are used in Flexfits patented PE visor, which helps the hat maintain its on-the-field contours. Standard profile 3 1/2?? crown. 8 Rows of stitching on visor. Matching undervisor.