Adjustable Cap + Flexfit Technology #1 Comfort for adjustable hat – Features Flexfit??s patented spandex technology. Water Repellent ?C Hi Tech performance fabric is a Hybrid of Cool & Dry and water resistance. Synthetic fibers are used in Flexfits patented PE visor, which helps the hat maintain classic ballcap contours. Standard profile 3 1/2?? crown. 8 Rows of stitching on visor. Matching undervisor.