Present invention provides a tread having a contact face, the tread being provided with a plurality of grooves and a plurality of contact elements, each the plurality of contact elements having a top face, the tread comprising two rubber layers, a cap rubber layer configuring the contact face when the tread being brand new and a base rubber layer being provided radially inward of the cap rubber layer, the cap rubber layer and the base rubber layer being composed of different rubber compositions each other, the base rubber layer being located totally radially inward of radially innermost part of the plurality of grooves, a rubber composition constituting the cap rubber layer comprises solid particles, and a rubber composition constituting the base rubber layer is devoid of said solid particles, and a shore A hardness of the rubber composition constituting the base rubber layer is at least equal to 6 points higher than a shore A hardness of the rubber composition constituting the cap rubber layer.
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