Speed 8 Blue/Grey

Speed is designed for fast workouts and competitions. It has become the favorite of many runners and already received several awards during the launch season. Runner's World 2017 Fall Shoe Guide named Speed 6 \"the lightest and most flexible shoe in the current guide\".The midsole of the new Speed8 contains the material Recoil PLUS which gives an impressive 20% higher energy output than the previous model. To enhance the cushioning, it is reinforced with a SoftFOAM ™ area in the heel, a material that has 70% better shock absorption capacity than the standard EVA material. The outsole contains a durable but lightweight rubber and the upper has a pattern that lights up in the colors of the rainbow when it is met by light - run safely and quickly!