97% Polyester, 3% Spandex Lightweight Material is Woven with Expandable Spandex Throughout For a Superbly Comfortable Fit. A Mid-Profile Cap, With 6 Eyelets To Provide a Little Breathing Room, Features a Moisture Absorbant Sweatband Engineered to Keep You Cool. Synthetic Fibers are used in Flexfits Permacurve PE Visor, which Helps the Hat Maintain its Proper Contours. 6 Panels, 3 1/2 Crown, and a Color Matching Undervisor With 8 Rows of Stitching For Added Durability. A Fused Hard Buckrum Sewn Into the Front of the Crown Provides Excellent Structure and Helps Maintain the Original Flexfit Shape.