Abstract: The inventive subject matter is directed to a sole unit for an item of footwear having a forefoot region, a midfoot region and a rearfoot region. The mid foot region includes a balancing structure having a curved surface profile that rotates around (i) an axis for fore-aft pivoting or balancing and/or (ii) an axis for lateral-medial pivoting or balancing, when the item of footwear is under a normal load of a user.
Type:
Application
Filed:
May 10, 2010
Publication date:
November 11, 2010
Applicant:
i-Generator L.L.C.
Inventors:
Simon Luthi, Peter Rueegger, Peter Valois