Curved, anatomical last with Custom Fit precision fit for natural shoe to foot interface. Supple premium micro fiber leathers and 3D moisture control mesh uppers. Carbon fiber composite sole for peak power transfer. Oversize micro adjust buckle and dual off set straps. Advanced stretch resistant synthetic leather. Curved, anatomical last for natural shoe to foot interface. Anti slip heel lining knitted with metal fiber prevents heel lift. Available in E width for wide feet. Heat moldable insoles accommodate and support feet.