Helinox Chair One Highback Blackout Edition. The Chair One (re) seat is even more comfortable due to the adding of a second tension line within the perimeter of the chair to uniquely distribute weight around the frame. Specifications for Helinox Chair One Highback: Manufacturer: Helinox Application: All Purpose Age Group: Adults Features of Helinox Chair One Highback Sets us quickly and easily with single shockcorded pole structure Breathable mesh on the back and sides Package Contents: Helinox Chair One Highback Helinox 10003315: Chair One Highback Blackout Edition