Billabong Women's Grandpa 5-Panel Snapback Hat Grandpa’s favorite, claimed as your own. The Grandpa 5-Panel Snapback Hat keeps it cruisy in soft cotton twill with a medium-profile, unstructured crown that sits easy on your head. An embroidered patch adds that lived-in surf camp feel, while the adjustable plastic snapback closure lets you tweak the fit on the fly. Fabric: 100% cotton twill woven