PACE-PUSHING PROPULSION FOR PB CHASERS Built for achieving your personal best, the Rocket X 3 delivers a carbon-fiber super shoe that doesn’t skimp on support. Maintaining the sameresponsive, high-performance foam as its predecessor, we’ve updated our pace-pushing carbon fiber plate with new winglets and employeda sticky rubber outsole to inspire confidence in variable conditions. Enlisting a single-layer engineered mesh upper for enhanced breathabilityand stitch-and-turn collar to help mitigate blisters, we’ve removed the gusset for easier entry.