The Sci-Fi is a mash up of classic curves and modern rocker served with a Futuristic twist of fluid dynamic principles likely found in the design archives of Bruce Wayne. Expect seemingly unnatural acceleration, instantaneous response and an all around level performance that can only be described as Electric. The Sci-Fi is a high performance all-rounder with impressive range (1-8ft ) with usability for intermediate to advanced surfers. 5-fin Option. LFT: (Linear Flex Technology) White Deckskin - LFT incorporates Firewire's SPRINGER HD, a 0.75" (18 mm) wide aerospace composite that runs down the centerline of the board, representing the next generation in our SPRINGER technology. The SPRINGER HD runs the entire length of the board and plays a pivotal role in optimizing flex from nose to tail.