According to Starting Strength, when the barbell is an inch away, this will be mid foot for every person on the planet. (hashimashi.com)
A thermoplastic cage locks over the iconic three stripes to secure the mid foot, and is further anchored by a knitted upper and an internal knitted techfit locking system. (telegraph.co.uk)
Humans, uniquely among primates, have two arches in their feet, longitudinal and transverse, which are composed of the mid foot bones and supported by muscles in the sole of the foot. (becominghuman.org)