A system and method for application data model content delivery and activation. The sewing method seams knitted fabrics having linking loops on their top courses, the knitted fabrics being stretched in the course direction with point needles inserted through some successive ones of the linking loops, wherein the point needles are pulled out with the knitted fabrics sandwiched and held in the vicinity of the linking loops across the course direction. This personal cooling and heating system invention is lightweight and durable in construction and specifically designed for use in harsh climatic conditions where access to refrigeration and heating are limited or unavailable. The two sets of electrodes are supplied with electrical current in phase opposition.