An article of clothing for use with an animal having adjustable length leggings is provided. The article of clothing has a plurality of leggings sized to cover a portion of the animal's legs, either two or four of the legs. Internal to the leggings are one or more straps that may be utilized to secure, via a fastener system, the leggings in a rolled up arrangement. By utilizing the adjustable leggings, appropriate levels of warmth and comfort may be provided for the animal.