Surround wrapping upper structure reduces overlap, provides Glove-like fit. Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency. Integrated sole and upper construction sets a new level of fit, stability, rigidity and lightweight performance. Mesh/TPU/Synthetic leather composite upper provides comfortable fit and better breathability. Light carbon fiber reinforced nylon sole for power transfer. Women’s specific last for a natural, comfortable fit.