Abstract: An article of footwear is disclosed that includes an upper, an outsole, and a midsole. The upper is configured to receive a foot, and the outsole is secured to the upper. The outsole defines a plurality of apertures extending entirely through the outsole. In addition, the outsole has a ground-engaging surface positioned at a first elevation. The midsole is separate from the upper and the outsole. The midsole is also positionable within the upper such that a lower surface of the midsole extends into the apertures of the outsole and is exposed by the apertures. The lower surface is at a second elevation, the first elevation being less than the second elevation.

Abstract: An article of footwear that includes a sizing system to allow the shoe size to be adjustable by the wearer. The article of footwear in the form of a shoe includes a sole, an upper extending from the sole, and a sizing member located within the upper, in which the sizing member is attached to the upper at the rear end of the athletic shoe. The sizing member includes an inner core, a separation feature, a fastening system, and locking feature. The inner core is substantially enclosed in a lining and the separation feature includes a plurality of perforations at the top of the sizing member. The sizing member enables a user to adjust the effective length of the shoe. The article of footwear may also include separable sockliner layers. This enables a user to adjust the effective height of the shoe.