Design: Engineered-knit upper for lightweight, breathable performance Extended heel tab designed for an easy pull-on Carbon fiber plate and aggressive meta-rocker provides a propulsive, efficient stride Asymmetrical coloring ensures you’ll stand out on any starting line or during any workout Foam midsole designed to provide optimal cushioning in a lightweight package Rubberized EVA provides a grippy, responsive layer of foam in the midsole and outsole Additional Details: Weight: 6.6 oz. (188g) 30mm heel / 25mm forefoot