Device suitable for being integrated in footwears soles, acting as cushioning, energy dissipation and stabilization means, comprising: - a cushioning element made of a first material having a viscoelastic behavior comprising a pre-defined alternation of first regions full of the first viscoelastic material and of first regions empty of the first viscoelastic material being first through holes and second through holes and channels allowing air to flow out of the device when the device is subjected to a compression load; - a conditioning element, the cushioning element being positioned on the conditioning element, and the conditioning element being made of a second material having a viscoelastic behavior, more rigid than the first material having viscoelastic behavior, comprising a pre-defined alternation of second regions full of the second viscoelastic material and of second regions empty of the second viscoelastic material, the first regions full of the first viscoelastic material and the first regions empty of the first viscoelastic material of the cushioning element being configured to couple with the corresponding second regions empty of the second viscoelastic material and with the second regions full of the second viscoelastic material of the conditioning element, when the device is subjected to a compression load and - a containing element positioned above the cushioning element and covering also the conditioning element; characterized in that the first full regions of the cushioning element are side protrusions and back protrusions, the side protrusions and the back protrusions extending from the upper surface to the lower surface of the cushioning element. - a cushioning element made of a first material having a viscoelastic behavior comprising a pre-defined alternation of first regions full of the first viscoelastic material and of first regions empty of the first viscoelastic material being first through holes and second through holes and channels allowing air to flow out of the device when the device is subjected to a compression load; - a conditioning element, the cushioning element being positioned on the conditioning element, and the conditioning element being made of a second material having a viscoelastic behavior, more rigid than the first material having viscoelastic behavior, comprising a pre-defined alternation of second regions full of the second viscoelastic material and of second regions empty of the second viscoelastic material, the first regions full of the first viscoelastic material and the first regions empty of the first viscoelastic material of the cushioning element being configured to couple with the corresponding second regions empty of the second viscoelastic material and with the second regions full of the second viscoelastic material of the conditioning element, when the device is subjected to a compression load and - a containing element positioned above the cushioning element and covering also the conditioning element; characterized in that the first full regions of the cushioning element are side protrusions and back protrusions, the side protrusions and the back protrusions extending from the upper surface to the lower surface of the cushioning element.