We're all seeking relationships that go the distance. The Endorphin Speed 4 running shoe is here to fill the role. Designed as a race-day shoe, it's 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 PWRRUN PB foam, this cushioned running shoe provides the perfect balance of support, rebound and forgiveness. Made for Everyday Training/ Speed Training SUPPORT: Neutral CUSHIONING: PWRRUN PB WEIGHT: Men: 8.2oz (233g) Women: 7.2oz (204g) OFFSET: 8mm (36mm/28mm) Highlights - Smooth SPEEDROLL technology for 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. - Re-engineered winged nylon plate provides reinforcement while maintaining flexibility. FEATURES & BENEFITS - Smooth SPEEDROLL technology for 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 - Best for: Race Run/Speed Run - Heel-to-toe Offset: 8mm (36/28mm forefoot) - Weight: 7.2oz (206g) - Sustainability: This style is vegan and contains recycled materials