Creating a lighter, more responsive core than the Full Poplar. The Poplar + Bamboo uses the same durable core, lightens it up by replacing 30% of the Poplar with Paulownia(red) and then inserts two bamboo(black) stringers down the full length for added pop and response.
True Sintered is harder and more expensive than extruded and it can be faster for those that ride aggressively fast. But to do that, it needs to be waxed often and prepared for local conditions.