Dynamic materials might be integrated into articles to provide various adjustable physical characteristics, such as aesthetic and functional characteristics. For example, in response to a human body heat, a dynamic material may change shape to allow additional permeability in an article of clothing. Similarly, in response to the presence of moisture, an article of clothing may close a vent to prevent the introduction of rain into an internal portion of the article. The shape-changing material may change shape that merely affects a feature formed by the shape changing material. Additionally, it is contemplated that the shape-changing material may change shape that affects a geometric structure of the article as a whole, such as through protrusions, dimples, and vents.