Futures Lost 3.625\" Twin Trailer Surfboard Fin - Grey The Evil Twin by …Lost Surfboards is a free thinking, transformational toy for the post-modern retro surf world. A fully convertible mash up between Twin fin flamboyance and Single fin flair. We worked with …Lost to develop the 3.625” Twin trailer specifically for their Evil Twin model. Use them in conjunction with any one of Futures’ Twin fin options, to create the ultimate transformational fun machine… and expand your horizons beyond your wildest dreams. Note: see also …Lost twin 6.25” Single fin for second set-up option Template Category | Pivot (tight turns, quick, loose) Construction | Fiberglass Size | X-Small Trailer Center Fin Area 9.63 Height 3.625 Base 3.46 Foil 50/50