When it comes to your game day hats, only the perfect, customized fit will do. Shop Illinois State Redbirds adjustable hats from Fanatics to achieve the perfect fit on game day and every day. Browse adjustable Illinois State hats in a wide variety of styles, including snapback and trucker styles. You’ll love the standout graphics and bold colors on every Illinois State adjustable hat, as well as the sturdy construction that will last you season after season. Fanatics even stocks adjustable Illinois State Redbirds hats with performance technology, deisigned to absorb sweat and keep you comfortable through every big play.