Dynamic torsion systems enable natural midfoot rotation

Seeking long-distance relationship.

Who helped you fall in love with running? A cheering parent? A PB-dedicated friend? We're all seeking relationships that go the distance. The Endorphin Speed 4 is here to fill the role.

Designed as a race-day shoe, its quickly proven itself much more, equally capable during long, moderate training sessions and sprints to the finish. Thanks to the just right combination of winged nylon-plate, SPEEDROLL technology, and PWWRUN PB foam, the Endorphin Speed 4 provides the perfect balance of support, rebound and forgiveness. Mile after mile, it's the one that will always show up for you.

Highlights

• Smooth SPEEDROLL technology encourages effortless speed, smooth turnover and propulsive forward motion.
• PWRRUN PB foam is a true unicorn, offering the best combination of cushioning and energy return of any foam on the market, striking that 'just right' feeling firm enough to propel, soft enough to cushion.
• Re-engineered winged nylon plate for vertical reinforcement while maintaining flexibility through the forefoot.

Specs

• Category: High performance, Roads, Neutral
• Weight: 8.2oz (233g)
• Heel-to-toe Offset: 8mm (36/28mm forefoot)
• Width: D (standard, medium)
• Replaces Saucony Men's Endorphin Speed 3

Dynamic flex systems mirror natural foot movement arcs