With it's 100% fiberglass construction and raked outline, the Eithan Osborne thruster set provides a reliable, high-performance feel in a variety of conditions. The template features a wide base that narrows out at the top and a slightly smaller center fin for easier release when you need it. The relatively stiff flex pattern in this fin is great for those looking for drive and hold in critical sections. Don't take it from us though, here’s Eithan's take on the fin: "Honestly I've been riding them in every board in every condition hahaha. I haven't used another fin since I got em!"