Their physical build is typically muscular and lean, reflecting their adaptability and natural resilience. This sturdy frame enables them to thrive in various environments, from urban streets to rural farmlands. Aspins are known for their diverse and unique appearances, a result of their mixed breed origins. Generally, Aspins are medium-sized dogs, standing around 18 to 24 inches at the shoulder and weighing between 25 to 50 pounds. 

One of the most noticeable traits of Aspins is their varied coat colors. They can have short or medium-length fur in a wide range of colors and patterns, including white, black, brown, brindle, or a combination of these. This variety adds to their unique charm, as no two Aspins look exactly alike.

Aspins also tend to have alert, expressive eyes and pointed ears, which give them a sharp, intelligent appearance. Their natural agility, combined with their tough, weather-resistant coats, makes them well-suited for the tropical climate of the Philippines.