Starting with the basic concept of the iconic Chair One, Helinox shaved 450 grams to produce their lightest chair ever: Chair Zero. At just over 500 grams, Chair Zero weighs less than a 600ml bottle of water! The super compact travel size will fit in any backpack. Compared to Chair One, the frame sits slightly lower to the ground and the seating angle is a little more upright. One of the major areas of weight saving is the seat fabric. Its a lightweight material with a reinforcing grid of high-tech non-stretch thread thats still strong enough to support 120 kg. Now you can rest your back no matter where you go.