Patent ID: 9351540
Filing Date: 2016-05-31
CPC Classification: A43B,A43D

Claim Text:
1. A last member having a medial side, a lateral side opposite the medial side, a forefoot portion, a heel portion opposite the forefoot portion, a midfoot portion disposed between the forefoot portion and the heel portion, and an upper instep portion extending through a top of the midfoot portion and the forefoot portion, the last member further comprising: a plurality of retractable pins extending from an outer surface of the last member, a plurality of springs, wherein each spring of the plurality of springs is disposed at the interior terminal end of one of the plurality of retractable pins in a position that is beneath the outer surface of the upper instep portion of the last member, wherein the respective spring biases the respective pin in the extended position; and a plurality of vacuum holes disposed on the outer surface.