FEATURES: Four layers of 12K raw carbon fiber for enhanced stiffness and control Thermoformed construction for improved feel, spin, and power X5+ core technology for consistency and control High-density foam injected walls to absorb vibrations and increase power Upgraded octagonal grip for greater maneuverability and shot accuracy EdgeSentry DuraEdge: Low-profile, lightweight, durable edge guard Limited lifetime warranty against workmanship and manufacturer defects