Compression Molded Construction Biolite 3 Core Neutral Buoyancy for Easy Starts - Beginner Friendly Machined EVA Traction - Diamond Dual Concave Base Durability and performance were the driving forces behind the Nexus wakesurf series. Utilizing compression molded construction and Biolite 3 Core, the Nexus will perform for all ability levels. Easy get ups and a minimal rocker line allow this surfer to remain in the curl with less effort, especially once you drop the handle.