Improved soles for shoes, in particular sports shoes, are described. A sole for a shoe, in particular a sports shoe, is provided that includes a midsole with randomly arranged particles of an expanded material. The sole further includes an element having a higher deformation stiffness in at least on
Improved soles for shoes, in particular sports shoes, are described. A sole for a shoe, in particular a sports shoe, is provided that includes a midsole with randomly arranged particles of an expanded material. The sole further includes an element having a higher deformation stiffness in at least one direction than the expanded material. The material of the midsole at least partially surrounds the element.
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1. A sole for a shoe comprising: (a) a midsole comprising an expanded material in the form of randomly arranged particles that are directly bonded to one another at their surfaces while substantially retaining their individual particle shapes in the expanded material; and(b) an element comprising a
1. A sole for a shoe comprising: (a) a midsole comprising an expanded material in the form of randomly arranged particles that are directly bonded to one another at their surfaces while substantially retaining their individual particle shapes in the expanded material; and(b) an element comprising a higher deformation stiffness in at least one direction than the expanded material, wherein the element is oriented underneath a foot of a wearer;(c) wherein the element is at least partially embedded within and is not adhesively bonded to the expanded material of the midsole so that movement of the element is at least partially decoupled from the expanded material of the midsole to selectively increase stability of the expanded material of the midsole; andwherein the element is at least partially embedded within the expanded material of the midsole so that the element does not protrude through a surface of the expanded material of the midsole that faces the foot of the wearer when worn. 2. The sole according to claim 1, wherein the element extends inside the expanded material of the midsole. 3. The sole according to claim 1, wherein the element comprises hollow sections. 4. The sole according to claim 1, wherein the element is at least partially grid-like. 5. The sole according to claim 1, wherein the element comprises a recess for receiving an electronic component. 6. The sole according to claim 1, wherein the sole further comprises a heel clip that is arranged at the expanded material of the midsole, and wherein the heel clip comprises a medial finger and a lateral finger that are designed to independently encompass a medial side and a lateral side of a heel, respectively, of the wearer when the shoe is worn. 7. The sole according to claim 6, wherein the medial finger and the lateral finger are separated from each other by a recess formed in a region that corresponds to a location of an Achilles' tendon of the wearer when the shoe is worn. 8. The sole according to claim 1, wherein the element at least partially encompasses a part of the expanded material on a side to selectively limit deformation of the expanded material. 9. The sole according to claim 1, wherein the element comprises at least a first plate element and a second plate element that can slide relative to each other. 10. The sole according to claim 9, wherein the first and the second plate element each comprise a curved sliding surface. 11. The sole according to claim 9, wherein the material of the midsole provides a restoring force counteracting a sliding movement of the first plate element relative to the second plate element. 12. The sole according to claim 1, wherein the element comprises at least one grommet, defining a passage through the material of the midsole. 13. The sole according to claim 12, wherein the element comprises a claim unit comprising a plurality of grommets arranged in a honeycomb pattern. 14. A sole for a shoe comprising: (a) a midsole comprising an expanded material in the form of randomly arranged particles that are directly bonded to one another at their surfaces while substantially retaining their individual particle shapes in the expanded material; and(b) an element comprising a higher deformation stiffness in at least one direction than the expanded material, wherein the element is oriented underneath a foot of a wearer;(c) wherein the element is at least partially embedded within and is not adhesively bonded to the expanded material of the midsole so that movement of the element is at least partially decoupled from the expanded material of the midsole to selectively increase stability of the expanded material of the midsole and the element extends at least partially like a skeleton throughout the expanded material of the midsole; andwherein the element is at least partially embedded within the expanded material of the midsole so that the element does not protrude through a surface of the expanded material of the midsole that faces the foot of the wearer when worn. 15. The sole according to claim 14, wherein the element comprises a recess for receiving an electronic component. 16. The sole according to claim 14, wherein the sole further comprises a heel clip that is arranged at the expanded material of the midsole, and wherein the heel clip comprises a medial finger and a lateral finger that are designed to independently encompass a medial side and a lateral side of a heel, respectively, of the wearer when the shoe is worn. 17. The sole according to claim 16, wherein the medial finger and the lateral finger are separated from each other by a recess formed in a region that corresponds to a location of an Achilles' tendon of the wearer when the shoe is worn. 18. The sole according to claim 14, wherein the element comprises at least a first plate element and a second plate element that can slide relative to each other. 19. The sole according to claim 18, wherein the first and the second plate element each comprise a curved sliding surface. 20. The sole according to claim 14, wherein the element comprises at least one grommet, defining a passage through the material of the midsole. 21. A shoe comprising a sole comprising: (a) a midsole comprising an expanded material in the form of randomly arranged particles that are directly bonded to one another at their surfaces while substantially retaining their individual particle shapes in the expanded material; and(b) an element comprising a higher deformation stiffness in at least one direction than the expanded material, wherein the element is oriented underneath a foot of a wearer;(c) wherein the element is at least partially embedded within and is not adhesively bonded to the expanded material of the midsole so that movement of the element is at least partially decoupled from the expanded material of the midsole to selectively increase stability of the expanded material of the midsole; andwherein the element is at least partially embedded within the expanded material of the midsole so that the element does not protrude through a surface of the expanded material of the midsole that faces the foot of the wearer when worn. 22. The shoe to claim 21, wherein the sole further comprises a heel clip that is arranged at the expanded material of the midsole, and wherein the heel clip comprises a medial finger and a lateral finger that are designed to independently encompass a medial side and a lateral side of a heel, respectively, of the wearer when the shoe is worn. 23. The shoe according to claim 22, wherein the medial finger and the lateral finger are separated from each other by a recess formed in a region that corresponds to a location of an Achilles' tendon of the wearer when the shoe is worn.
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