The Endorphin Speed 4 is our premium fast and light hybrid with the ultimate blend of lightweight responsiveness, ideal for those who prefer a neutral daily trainer, faster workout days or race days of any distance.
Why youll love it:
- SPEEDROLL technology provides effortless speed and smooth transitions
- PWRRUN PB foam offers a lively balance of cushioning and energy return
- Winged nylon plate delivers propulsive support and enhanced stability
- Updated upper with zonal engineered mesh and integrated tongue ensures a secure, race-ready fit
- Lightweight lattice outsole with XT900 carbon rubber improves traction without extra weight
Key details:
- Best for: Race run, speed workouts, tempo sessions
- Support: Neutral
- Cushioning: PWRRUN PB
- Sockliner: Super Responsive Sockliner (SRS)
- Offset: 8 mm (36 mm heel / 28 mm forefoot)
- Weight: Men 8.2 oz. (233 g)
- US Sizes: Men 715
Ships in 7 to 10 Business Days.
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