Shoe footbed with interchangeable cartridges

摘要: The present invention provides an interchangeable shoe footbed cartridge system (200, 580, 2400). includes a (202, 582, 2402) such as midsole, insole or sockliner. A (204, 584, 2404) is inserted into otherwise attached to the forefoot section of 2402). Multiple cartridges (204a-c, 584a-c, varying depths, widths and/or lengths may be provided. wearer can select achieve desired fit. Because right and left feet different sizes, chosen for each foot. Furthermore, user swap depending upon conditions, change stiffness 2404), Additionally, slipcover (240) having stretchable portion placed over enable footwear manufacturer produce fewer sizes while fitting more population. This reduces manufacturing, shipping, warehousing accounting costs. All levels supply chain, well end customers, will greatly benefit from method supplying footwear.