98% Cotton / 2% Spandex. The 3 1/2 Mid-Profile Crown Gives You The Option of Wearing the Hat as Low as You Want, Offering Protection From the Glare of the Sun. #1 Best Seller from Flexfit. With High Performance Cotton and Superior Spandex Material, the Flexfit 5001 Is Unmatched in Quality and Comfort. The Lightweight Fabric is Extremely Breathable and Absorbant to Keep You Cool. Choose from 3 Sizes: Small-Medium, Large-XLarge, & 2XL, Which All Utilize Flexfits Patented Spandex Headband. Popular Colors Include Black, Gray, and Navy. A Fused Hard Buckrum Sewn Into the Front of the Crown Provides Excellent Structure and Helps Maintain the Original Flexfit Shape. Fitted Cap (no strap). The 5001 Features: 6 Panels, a Silver Undervisor, and 8 Rows of Stitching For Added Durability. Six Sewn Eyelets Provide a Little Breathing Room While the Patented Permacurv Visor Preserves the Natural Arch of the Hat.