The Brunswick Prism Hybrid high performance bowling ball helps introduce the Portal core which has a very low RG with a high differential and intermediate differential. This core features Brunswicks DynamiCore and DOT technology. This core is covered with Activator Composite Technology (ACT) Hybrid and then finished with 500 Siaair and then Crown Factory Compound. This finish offers easy length while still reacting at the breakpoint. These factors make up a glossy bowling ball with an asymmetric core that can read the mid-lane well and offers a powerful and angular backend reaction.