Flexfit 6580 Pro-Formance Cap 97% Polyester, 3% Spandex Lightweight, Serge Polyspun Fabric has the Look and Feel of Wool with a Thick Moisture Absorband Sweatband Engineered to Keep You Cool. Hypoallergenic Ultra-Breathable Material Wicks Away Perspiration, Keeping you Dry Whether You're at Work or at Play. Signature Synthetic Fibers are used in Flexfits Permacurve PE Visor, which Helps the Hat Maintain its On-The-Field Contours. 6 Panels, 3 1/2" Crown, and a Matching Color Undervisor With 8 Rows of Stitching For Added Durability. A Mid-Profile Cap with 6 Eyelets To Provide a Little Breathing Room. A Fused Hard Buckrum Sewn Into the Front of the Crown Provides Excellent Structure and Helps Maintain the Original Flexfit Shape.