Patent attributes
A footwear construction includes a sole assembly including a first midsole platform, a second midsole platform below the first midsole platform, a spring plate disposed between the first and second midsole platforms, and an outsole layer disposed below and joined directly with at least one of the plate, the first and the second midsole platforms. The outsole layer can be substantially the only layer below the plate in the forefoot region of the footwear so an underfoot force engaging the outsole layer is transmitted directly to the plate, which also can have an upward curving, multi-radii transition portion extending from a lowermost portion to a forward most portion of the plate so as to roll a wearer's foot forward into a next stride in a gait cycle of the wearer. The plate can define an aperture. A mounting cap can extend through the aperture and can receive a traction spike.