Cotton/Polyester Officially Licensed by the MLB and Fan Favorite (a 47 Brand company) Unisex - Adult One size fits most with Adjustable Snapback Closure (Not recommended for head size >7.5") Raised Embroidered logo on Front. Pre-washed for a broken in feel Curved Bill with unstructed dome for a relaxed and comfy dad hat fit. Sport your Halos Team Pride and make a fashion statement with this great looking Mesh Trucker Cap. Officially Licensed by the MLB