Fossil research shows that tarpon have been swimming in our oceans since prehistoric times, so we thought we&';d make a hat just as timeless to commemorate these bucket list fish. Product Features: Polyester shell fabric keeps this hat looking good season after season 5-panel structure Adjustable Snapback Cap Sizing: Max size of snapback hat is approximately 23 1/2" circumference with a 5" crown One size fits most Product Specifications: Fabric: 100% Polyester Shell Fabric: 100% Cotton Rope