Description

Boston, are you ready? Meet the power of the Endorphin Speed 4 – upgraded with Boston style. 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

Product details provided by: Saucony