What Our Gearhead(R) Experts Are Saying:"The Endorphin Pro 5 delivers an incredibly energetic ride. The blend of PWRRUN HG and PWRRUN PB feels both springy and stable, and the updated carbon plate gives a smoother transition when pushing into race pace. The PWRTAC outsole also grips well on wet roads, which makes a huge difference when running aggressive splits."The Saucony Endorphin Pro 5 Running Shoe brings race-day engineering to every stride, whether we're tackling long-distance events or sharpening our speed in training. Its high-rebound foams and responsive carbon plate turn each step into forward motion, helping us stay light, fast, and efficient mile after mile. Saucony combines a PWRRUN PB base with a super-critical PWRRUN HG top layer to create a powerful yet controlled cushioning system. The redesigned carbon fiber plate works with SpeedRoll geometry for seamless transitions, keeping momentum high from landing to toe-off. PWRTAC rubber improves traction and durability across pavement, while the breathable upper locks in comfort without slowing us down. Every detail works together to support peak performance on our biggest days.