NIKE, Inc.
Interchangeable insert system with sleeve members for footwear

Abstract:

An insert system for an article of footwear includes an outer assembly, a first insert assembly and a second insert assembly. The outer assembly is configured to interchangeably receive the first insert assembly and the second insert assembly. The first insert assembly includes a first sleeve member and a first midsole configured to provide enhanced cushioning and support. The first sleeve member includes a tongue and a fastening member that wraps around the tongue. The second insert assembly includes a second sleeve member and a second midsole configured to enhance speed. The second sleeve member is open at a forefoot portion and at a heel portion. The outer assembly includes an aperture on a sidewall of an outer sole portion, where the midsole inserted within the outer assembly is visible through the aperture.