The Nike air max 93  was first released in 1993, and is known for the 270 degree exposed Nike Air Unit, in other words the air bubble at the heel. The AM 93's air bubble had more which means greater protection. The air max 93 was the first in the Air Max  line up to have a colored air unit, and the uppers had a sock like fit.A new process was used to make the Nike Air Max 93, it is called blow molding.