evo.com | Lib Tech Fins > Lace up your board with a reliable, eco-friendly quad fin setup that will work great in a variety of conditions with the Lib Tech Quad Fin Set. Lightweight Hexzylon Fiberfoam Core 4 Fins Two Lead Single Foil Fins 4.58" H x 4.44" Base Two Double Foil Trailer Fins 3.9" H x 3.88" Base Upcycled Construction Since almost every surfboard in the world is basically an oval shape cut out of rectangular material, Lib Tech is saving the unused corners of their surfboards and making fins out of them. | Lib Tech Quad Medium Fin Set 2027