An article of footwear comprising: a sole structure; an upper coupled to the sole structure and at least partially defining an internal volume operative to receive a foot of a wearer, the upper including: a throat opening that is in communication with the internal volume; a forwardly extending flap section that defines a portion of the throat opening, wherein the flap section is operative to fold laterally across an instep portion of the upper to reduce a size of the throat opening from a first, enlarged state to a second, narrowed state; wherein the flap section comprises a first sidewall and a second sidewall that each define a portion of the throat opening; and wherein the first sidewall is integral with a first quarter of the upper, and the second sidewall is integral with a second quarter of the upper; and a plurality of perforations extending through a portion of the upper on a first side of the flap section; wherein the plurality of perforations includes perforations extending through the first sidewall of the flap section and/or the first quarter of the upper; wherein the flap section is configured such that folding the flap section laterally in a first direction covers the plurality of perforations; and wherein the flap section is configured such that folding the flap section laterally in a second direction exposes the plurality of perforations to provide ventilation to the interior volume. a sole structure; an upper coupled to the sole structure and at least partially defining an internal volume operative to receive a foot of a wearer, the upper including: a throat opening that is in communication with the internal volume; a forwardly extending flap section that defines a portion of the throat opening, wherein the flap section is operative to fold laterally across an instep portion of the upper to reduce a size of the throat opening from a first, enlarged state to a second, narrowed state; wherein the flap section comprises a first sidewall and a second sidewall that each define a portion of the throat opening; and wherein the first sidewall is integral with a first quarter of the upper, and the second sidewall is integral with a second quarter of the upper; and a plurality of perforations extending through a portion of the upper on a first side of the flap section; wherein the plurality of perforations includes perforations extending through the first sidewall of the flap section and/or the first quarter of the upper; wherein the flap section is configured such that folding the flap section laterally in a first direction covers the plurality of perforations; and wherein the flap section is configured such that folding the flap section laterally in a second direction exposes the plurality of perforations to provide ventilation to the interior volume. a throat opening that is in communication with the internal volume; a forwardly extending flap section that defines a portion of the throat opening, wherein the flap section is operative to fold laterally across an instep portion of the upper to reduce a size of the throat opening from a first, enlarged state to a second, narrowed state; wherein the flap section comprises a first sidewall and a second sidewall that each define a portion of the throat opening; and wherein the first sidewall is integral with a first quarter of the upper, and the second sidewall is integral with a second quarter of the upper; and a plurality of perforations extending through a portion of the upper on a first side of the flap section; wherein the plurality of perforations includes perforations extending through the first sidewall of the flap section and/or the first quarter of the upper; wherein the flap section is configured such that folding the flap section laterally in a first direction covers the plurality of perforations; and wherein the flap section is configured such that folding the flap section laterally in a second direction exposes the plurality of perforations to provide ventilation to the interior volume.