Flexonic midsole flexibility platform with regularly spaced grooves in the outsole, wrapping up the sidewall to enhance underfoot flexibility. Additionally, athlete pressure mapping data is used to inform selectively targeted areas of support and traction. FantomFit is a skeletally engineered upper that provides ultra-light support and fit. It is created by fusing two extremely thin materials with a no-sew process 4 mm drop: due to variances created during the development and manufacturing processes, all references to 4 mm drop are approximate Laser engraving Engineered mesh upper