·New Modified Flex Zone over the metatarsals and instep: Improves fit and performance·5-Lug P.O.P. 1 platform: Highly responsive platform great for long distance training and high intensity workouts and races·Action/Reaction™ Technology: Patented active trampoline-like technology that reduces energy loss·Biomechanical metatarsal sensor plate·High-rebound EVA·s.h.a.r.c. outsole·360 degree reflectivity·WEIGHT: 8.1 ouncesGood-Looking Newton Running Gravity IV - Men's - Running Shoes - Blue/Red163 Units in StockModel: dfmk680p6ias