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A cushioning device for a footwear sole has multiple vertically directed columns. One column is located on a medial side and another is located on a lateral side, and are adjacent and spaced apart from each other. The medial column has the relatively larger volumetric property relative to the volume

A cushioning device for a footwear sole has multiple vertically directed columns. One column is located on a medial side and another is located on a lateral side, and are adjacent and spaced apart from each other. The medial column has the relatively larger volumetric property relative to the volumetric property of the lateral column. In another sense at least one of the columns has different elastomeric and/or compression properties relative to other columns. The device is located between an upper support plate and a lower support plate, and the support plates have more rigid characteristics than the cushioning device. Each column includes an upper larger area and a lower smaller area, and downwardly directed walls taper inwardly towards a lower location. The lower portion is where the bases of the columns are spaced apart.

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The invention claimed is: 1. A cushioning device for location in a portion of a sole of footwear comprising: multiple vertically directed columns for location in a sole for footwear, at least one of the columns being spaced apart from another column and being formed so that at least some of them ha

The invention claimed is: 1. A cushioning device for location in a portion of a sole of footwear comprising: multiple vertically directed columns for location in a sole for footwear, at least one of the columns being spaced apart from another column and being formed so that at least some of them have different volumetric space relative to other columns; at least one the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear, the columns being adjacent each other and being spaced apart from each other, and wherein the medial column has the relatively larger volumetric property relative to the volumetric property of the lateral column; wherein the device is located between an upper support plate and a lower support plate, the support plates having more rigid characteristics than the cushioning device; an outer sole located substantially below the bottom plate and a mid-sole located substantially over the upper plate; and an upwardly directed lip extending at least partly about an outer periphery of the cushioning device and wherein the upper plate includes an upwardly extending skirt extending at least partly about a periphery of the upper plate, and wherein the skirt of the cushioning device mates with an outer surface of a skirt of the upper plate and wherein the skirt of the upper plates mates with an outer periphery of the mid-sole. 2. A cushioning device for location in a portion of a sole of footwear comprising: multiple, essentially vertically directed columns for location in a sole for footwear; at least one of the columns being spaced apart from the another column and the columns being formed so that at least some of them have different elastomeric properties relative to other columns; at least one of the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear, and wherein the medial column has the relatively denser elastomeric property relative to the elastomeric property of the lateral column; wherein the device is located between an upper support plate and a lower support plate, the support plates having more rigid characteristics than the cushioning device; an outer sole located substantially below the bottom plate and a mid-sole located substantially over the upper plate; and an upwardly directed lip extending at least partly about an outer periphery of the cushioning device and wherein the upper plate includes an upwardly extending skirt extending at least partly about a periphery of the upper plate, and wherein the skirt of the cushioning device mates with an outer surface of a skirt of the upper plate and wherein the skirt of the upper plates mates with an outer periphery of the mid-sole. 3. A cushioning device for location in a portion of a sole of footwear comprising: multiple vertically directed columns for location in a sole for footwear; at least one of the columns being spaced apart from another column and being formed so that at least some of them have different volumetric space relative to other columns; at least one the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear, the columns being adjacent each other and being spaced apart from each other, and wherein the medial column has the relatively larger volumetric property relative to the volumetric property of the lateral column; wherein the device is located between an upper support plate and a lower support plate, the support plates having more rigid characteristics than the cushioning device; an outer sole located substantially below the bottom plate and a mid-sole located substantially over the upper plate; and an upwardly directed lip extending at least partly about an outer periphery of the cushioning device and wherein the upper plate includes an upwardly extending skirt extending at least partly about a periphery of the upper plate, and wherein the skirt of the cushioning device mates with an outer surface of a skirt of the upper plate and wherein the skirt of the upper plates mates with an outer periphery of the mid-sole. 4. A cushioning device for location in a portion of a sole of footwear comprising: multiple, essentially vertically directed columns for location in a sole for footwear; at least some of the columns being spaced apart from another column and the columns being formed so that at least some of them have different compression properties relative to other columns; at least one the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear, and wherein the medial column has the relatively larger compression property relative to the compression property of the lateral column; and wherein at least one of the lower plate or upper plate includes a formation for hooking with the cushioning device, the hooking formation extending such that with the upper or lower plate it is directed substantially so as to sandwich the cushioning device between the plate and the hooking formation, and wherein there can selectively be a hooking formation in a rear and forward end of the plate. 5. A cushioning device for location in a portion of a sole of footwear comprising: multiple vertically directed columns for location in a sole for footwear; at least one of the columns being spaced apart from another column and being formed so that at least some of them have different volumetric space relative to other columns; at least one the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear, the columns being adjacent each other and being spaced apart from each other, and wherein the medial column has the relatively larger volumetric property relative to the volumetric property of the lateral column; wherein there are at least four columns, and wherein each column includes a base horizontal zone and wherein the base horizontal zone of each column is relatively different to the base horizontal zone of other columns and wherein the columns are for location respectively at a medial forward position, a medial rearward position, a lateral forward position and a lateral rearward position, and wherein the medial forward position column extends over a larger area than the other columns; and wherein the rear lateral column extends over an area in size and is smaller than the medial forward column and larger than the medial rear column and the lateral forward column. 6. A cushioning device for location in a portion of a sole of footwear comprising: multiple, essentially vertically directed columns for location in a sole for footwear; at least one of the columns being spaced apart from the another column and the columns being formed so that at least some of them have different elastomeric properties relative to other columns; at least one of the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear, and wherein the medial column has the relatively denser elastomeric property relative to the elastomeric property of the lateral column; wherein there are at least four columns, and wherein each column includes a base horizontal zone and wherein the base horizontal zone of each column is relatively different to the base horizontal zone of other columns and wherein the columns are for location respectively at a medial forward position, a medial rearward position, a lateral forward position and a lateral rearward position, and wherein the medial forward position column extends over a larger area than the other columns; and wherein the rear lateral column extends over an area in size and is smaller than the medial forward column and larger than the medial rear column and the lateral forward column. 7. A cushioning device located in a heel of footwear comprising: multiple vertically directed columns for location in the heel for footwear; at least two columns in a rear peripheral area of the heel and at least two in a forward peripheral area of the heel, the four columns being spaced apart from each other and being formed so that at least some of them have different volumetric space relative to other columns; at least one the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear; at least some of the columns having effectively relatively tapered sidewall profile in that the top of the columns is different in cross sectional area relative to the bottom of the cross sectional area of the columns; wherein there are only four peripheral columns and each column includes a base horizontal zone and wherein the base horizontal zone of each column is relatively different to the base horizontal zone of other columns and wherein the columns are for location respectively at a medial forward position, a medial rearward position, a lateral forward position and a lateral rearward position, and wherein the medial forward position column extends over a larger area than the other columns; and wherein the rear lateral column extends over an area in size and is smaller than the medial forward column and larger than the medial rear column and the lateral forward column. 8. A cushioning device located in a heel of footwear comprising: multiple vertically directed columns for location in the heel for footwear; at least two columns in a rear peripheral area of the heel and at least two in a forward peripheral area of the heel, the four columns being spaced apart from each other and being formed so that at least some of them have different volumetric space relative to other columns; at least one the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear; at least some of the columns having effectively relatively tapered sidewall profile in that the top of the columns is different in cross sectional area relative to the bottom of the cross sectional area of the columns; and wherein there are at least four columns, and wherein each column includes a base horizontal zone and wherein the base horizontal zone of each column is relatively different to the base horizontal zone of other columns and wherein the columns are for location respectively at a medial forward position, a medial rearward position, a lateral forward position and a lateral rearward position, and wherein the medial forward position column extends over a larger area than the other columns. 9. A cushioning device located in a heel of footwear comprising: multiple essentially vertically directed columns located in the heel for footwear; at least one of the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear, and wherein the medial column has the relatively denser elastomeric property relative to the elastomeric property of the lateral column; at least some of the columns having effectively a relatively tapered sidewall profile in that the top of the columns is different in cross sectional area relative to the bottom of the cross sectional area of the, columns; and wherein there are at least four columns, and wherein each column includes a base horizontal zone and wherein the base horizontal zone of each column is relatively different to the base horizontal zone of other columns and wherein the columns are for location respectively at a medial forward position, a medial rearward position, a lateral forward position and a lateral rearward position, and wherein the medial forward position column extends over a larger area than the other columns. 10. A cushioning device located in a heel of footwear comprising: multiple essentially vertically directed columns located in the heel for footwear; at least one the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear; wherein the medial column has the relatively larger compression property relative to the compression property of the lateral column; at least some of the columns having effectively relatively tapered sidewall profile in that the top of the columns is different in cross sectional area relative to the bottom of the cross sectional area of the columns; and wherein there are at least four columns, and wherein each column includes a base horizontal zone and wherein the base horizontal zone of each column is relatively different to the base horizontal zone of other columns and wherein the columns are for location respectively at a medial forward position, a medial rearward position, a lateral forward position and a lateral rearward position, and wherein the medial forward position column extends over a larger area than the other columns. 11. A cushioning device for location in a portion of a sole of footwear for aiding in the prevention of an over-supination effect, the device comprising: multiple vertically directed columns for location in a sole for footwear, at least one of the columns being spaced apart from another column and being formed so that at least some of them have a relatively different volumetric, elastometric or compression property relative to other columns; at least one the columns being for location on a medial side and another of the columns being for location on a lateral side of the footwear, the columns being adjacent each other and being spaced apart from each other, wherein the relatively different volumetric, elastomeric or compression property aids in prevention of over-supination; wherein the device is located between an upper support plate and a lower support plate, the support plates having more rigid characteristics than the cushioning device; an outer sole located substantially below the bottom plate and a mid-sole located substantially over the upper plate; and an upwardly directed lip extending at least partly about an outer periphery of the cushioning device and wherein the upper plate includes an upwardly extending skirt extending at least partly about a periphery of the upper plate, and wherein the skirt of the cushioning device mates with an outer surface of a skirt of the upper plate and wherein the skirt of the upper plates mates with an outer periphery of the mid-sole.