Illinois Fighting Illini hats with the retro Chief Illiniwek logo, perfect for game day or everyday wear. Shop Illini gear and merch with Illinois pride. Our PVC patch is a waterproof, rugged, and clean looking design. You can bet that this patch will look vibrant for years to come. We only use the highest quality products and headwear. We believe that our PVC patches beat out any other type of patch offered on a hat. Design: Illinois Fighting Illini Chief Illiniwek Hat: Richardson 632 Color: Grey 98/2 polyester/PU spandex Perforated laser cut side and back panels Structured, six-panel, mid pro profile Pre-curved bill Stay Dri performance sweatband Snapback closure Hat size: 7 - 7 3/4