Articles of footwear with adjustable dimensions

An article of footwear comprising:

• an upper;
• and
• a sole structure coupled to the upper and comprising a main body and a plurality of extension members,
• wherein the main body comprises an outsole configured for supporting a wearer's foot and for contacting a ground surface,
• wherein the plurality of extension members is coupled to and extends from the main body and are foldable between a compressed state and an expanded state,
• wherein in the compressed state, the plurality of extension members extend at least partially over the upper, and
• wherein in the expanded state, the plurality of extension members comprise one or more portions configured for contacting a ground surface.

An article of footwear comprising:

• an upper formed from a stretchable fabric;
• and
• a sole structure coupled to the upper and comprising a main body and a plurality of flexible extension members,
• wherein the main body comprises an outsole configured for supporting a wearer's foot and for contacting a ground surface,
• wherein the plurality of flexible extension members is coupled to and extend from the main body and are foldable between a folded state and an unfolded state,
• wherein in the folded state, a ground contacting surface of the sole structure comprises a first size, and
• wherein in the unfolded state, the ground contacting surface of the sole structure comprises a second size, which is larger than the first size.