Abstract: A footwear system that includes a left having a left toe region, left forefoot region, a left arch region and a left heel region, a left outsole, a left upper secured to the left outsole, and a left sensor system that includes at least a first left heel pressure sensor positioned in the left heel region, and at least a first left forefoot pressure sensor positioned in the left forefoot region. The footwear system also includes a right shoe that includes a right toe region, a right forefoot region, a right arch region and a right heel region, a right outsole, a right upper secured to the right outsole, and a right sensor system that includes at least a first right heel pressure sensor positioned in the right heel region, and at least a first right forefoot pressure sensor positioned in the right forefoot region.