A shoe insole structure which includes a non-springy, acceleration-rate-sensitive viscoelastic cushioning layer carrying, on its upper surface, a low-friction, abrasion-resistant, load-distributing, moisture-wicking overlayer.
CROSS-REFERENCE TO RELATED APPLICATION
This application claims priority to Provisional Application Ser. No. 60/281,604, filed on Apr. 4, 2001, for "Cushioning Shoe Insole," which application is hereby incorporated by reference.
An athletic shoe, in particular a running shoe, having improved cushioning and energy returning properties that vary depending upon the speed of the runner due to incorporation of at least one insert containing dilatant compound encapsulated in a shell and set into the midsole of the running shoe is disclosed. A method for converting the midsole of an existing running shoe is also disclosed.
