The Head Revolt Pro 4.0 brings new upgrades for improved cushion, flexibility, and room. The triple-density midsole and 3D anti-torsion shank offers padding along with breathable upper mesh and collar cushion. The outsole has a Tri-NRG toe cap and a hybrid tread for durability on all different surfaces, and the overall fit is wider for those looking for a bit more room and forgiveness in their shoe.