Paulownia Wood Flex-Core is lighter and more stable than traditional cores with its ability to remain strong under the high flex conditions. This hydrophobic wood core is fast growing and takes less energy to process, giving the EVO added ecological benefits. In addition it's Binding Spine and surf inspired Fish-Shape makes for an efficient ski that is easy to turn and ride. See the video and get yours at http://www.hosports.com/product-detail.php?id=waterskis-freeride-evo