Mesh Upper - The breathable mesh fabric wraps your foot in breathable comfort, so that your foot is always cool and dry even during the toughest training days. Perforated fabric allows excellent air flow, letting hot air out and fresh air in, to create a better environment for your feet. AmpliFoam - AmpliFoam technology has been created to maintain strength and durability with soft density, for better flexibility, comfort and adaptability, ideal for natural runners. Seamless - Seamless fabric for added comfort. Rubber sole - The outer sole is characterized by a lightweight and durable rubber compound that provides exceptional grip on all types of surfaces. The sole uses a carbon rubber that has been strategically placed to provide good resistance against wear. Extra Eyelets - In the system laces to hold the foot firmly in place. Colour: blue