KT Expanse EPX Carbon Surfboard 5'8''KT Expanse EPX Carbon Surfboard 5'8'' The Expanse is related to the Plate Lunch but with a juicy added benefit coming from the boost of carbon it features throughout the construction. The outline is a bit fuller through the nose and tail, along with a more relaxed rocker in those same areas. A flatter deck delivers added stability and comfort. Fuller rails provide more surface, grabbing the water for a more connected feeling. The Expanses unique Full