The Saucony Endorphin Pro 4 is the fourth generation of Saucony's lightweight, high-performance racing shoe, engineered for race-day speed. It combines an industry-first midsole fusion of PWRRUN HG and PWRRUN PB foams for maximum energy efficiency and responsiveness.

• Midsole: Fuses PWRRUN HG for maximum energy efficiency with responsive PWRRUN PB cushioning
• Plate: Full-length carbon-fiber plate for longitudinal stiffness and a propulsive stride
• Technology: Features SPEEDROLL technology for a snappy feel
• Upper: Lightweight engineered mesh with a breathable design and an integrated tongue system
• Outsole: Available with TRI-FLEX rubber for enhanced flexibility and traction, or XT-900 rubber for excellent traction
• Fit: Silky-smooth heel liner for comfort