Nike Flex Fury - Women's To reach high speeds, you have to get low to the ground. Accomplish both in the Nike Flex Fury, and let your old race times feel your wrath. Lightweight, breathable mesh upper with strategically placed yarns to support your heel and midfoot. Toe reinforcements add durability against running wear and tear. IU foam midsole for responsive take off on the road. Pressure-mapped Nike Flex outsole for durable, flexible cushioning. Wt. 6.8 oz.