The OZO is a reversible harness / backpack made from ultra-lightweight materials. It is designed specifically for use with Ozone’s range of modern lightweight wings, but can be used with any paraglider.

For over a decade, the Ozone R&D team has been deeply involved with the development of lightweight flying equipment, and the OZO is the culmination of our years of focus combined with the work of the newest engineer on the Ozone R&D Team, Fred Pieri.

Two sizes are available; 26L and 33L, weighing in at 580 and 585g, respectively. Every detail of the OZO’s construction has been optimized for weight, and it is one of the lightest available reversible harnesses today. Although the OZO is extremely lightweight, it is fully load tested and will last for many seasons of use if properly cared for.

In the backpack configuration, the OZO is comfortable and stable on long ascents. Ultra-light, ergonomic 3D foam straps distribute the load evenly on your shoulders, and there is adequate internal volume for water, helmet, gloves, etc.

While a certain amount of compromise is unavoidable, we strove to make the OZO comfortable enough for extended flights. Reinforced semi-rigid leg supports spread your weight across a wider section of the harness than other ultra-lightweight mountain / descent harnesses, making soaring and XC flights comfortable. All leg and shoulder straps are fully sewn and buckle free. The harness is adjustable in the air and on the ground.

The two sizes of the OZO (26L & 33L) refer to the volume of the backpack compartment, and not to the harness dimensions, which are the same for both models. The flying harness is available in one size and fits most pilots comfortably. Choose the size of your OZO based on your equipment and its total packed volume. We recommend:

  • 26L: XXLite 16 &19; Ultralight 19, 21 or similar
  • 33L: Ultralite 21, 23, 25 or similar


  • 26L: 580g
  • 33L: 585g

Recommended pilot size: 165cms – 190cms

Buckle-free harness, with shoulder strap length adjustments and real pulleys for speed system.

Harness is sold without carabiners.


  • Main Panels: Ripstop Nylon
  • Pulleys: AUSTRIALPIN Aluminium / copper
  • Structural Thread: BAINBRIDGE polyester.
  • Structural webbing: Gurth & Wolf Polyester 20mm, TECHNISANGLE Dyneema 7mm
  • Shoulder webbing: Polyester 15mm
  • Bag cloth: Dominico 40D, Nylon
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Reviews Hide Reviews

Ozone Ozo Review

Ilia Timonin on 29th Jul 2020

Very light weight harness. I bought 33L size, I was able to fit into it Ozone Ultralite 4 21 paragilder, Ultracross 75 reserve, Supair Pilot helmet, Gloves and Down Jacket. Materials Are not very durable, so you have to be careful with it, but that't the trade off for light weight. Sitting position is very up right. It is not super comfortable, you can feel some harness straps, but is it OK, again this is the cost for weight savings. I flew for more than 1 hour straight in this harness with no issues. The legs pads have loops on the sides so you can grab them and push you body into the harness after take off so you will sit in the harness more comfortable.

Ozo ultralight harness

Mark Smith on 20th Sep 2018

Great harness for kiting. I am not a free Flight pilot, I bought it just to train with my powered paraglider wing. It is ultralite and very compact.