Get nostalgic with the Buffalo Bills New Era Royal Blue Throwback 9SEVENTY Adjustable Hat. Made of 100% polyester, this unisex adult hat features a superior cooling technology and an anti-microbial sweatband for all-day comfort. The adjustable stretch-snap closure offers a versatile fit, and the raised details and curved bill add a touch of style. Perfect for game day or everyday wear. Officially licensed by New Era.