Abstract: The present invention 10 discloses an emergency descent system for a tall building 12. The high rise emergency descent system is comprised of at least one track 18 fixedly attached to the exterior of a building 12 and a jumpsuit 20 having an integral harness 22 and descent device 23 connected to the suit by means of a cable 36 that will allow the user 12 to don the apparel having a first preselected drag brake 52 designed for a weight class that is reflected in the size of suit, and, to attach the descent device 23 to the descent track18 and descend to the ground at a controlled rate. A second brake control 26 is provided for allowing the user 16 more individual brake control during the descent down the building 12.