WOMEN'S TRIATHLON SHOE WITH ADVANCED FIT AND PERFORMANCE TECHNOLOGY. FEATURESIntegrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance.Low stack height midsole stabilizes foot and maximizes power transfer efficiency.T1-Quick strap and extra-wide collar simplifies foot entry and quickens transitions.Quickly secure shoe during transitions with easy-to-grab asymmetrical heel loop.3D breathable mesh improves airflow and dries quicker.Women’s specific last for a natural, comfortable fit.Lightweight glass fiber reinforced nylon sole for power transfer.Adaptable Cup Insole. SIZESTANDARD SIZES: 36 – 43