Beautiful chair at a very good price that a child or someone with a few kilos will enjoy, as the main feature they will seek will not be comfort. However, for those who have a bit more weight and this is not their first gaming chair, it is better to look for something else because the seat (foam) is not soft and will tire you. The lumbar and neck cushions do their job, but the foam in the back is also thin, and at least I feel the metal on my back, which is of course annoying.
CONCLUSION...
On the positive side, the leatherette after two years of daily use has not suffered anything, so its quality is good.
On the negative side, thin foam in the seat and lumbar resulting in it not being comfortable.
For your information, the armrests are fixed, not adjustable, and have started to wobble slightly.

I’ve had it for about 6/8 months
I’m 185cm, 135kg
if you’re someone who leans back a lot
make sure the lower brake is tightened well so it has good resistance

it supports me when I lie back (not completely horizontal)
Be careful with the "stop" it doesn’t lift/support much if you have the backrest very reclined, otherwise it will bend/break

also if you have a big back/shoulders it may bother you a little. because of the design, the chair is close to the shoulders
( I put cushions on it and it’s fine :D )

Chair used for 2 weeks, approximately 3-4 hours per day.
Impressions are relatively good since it is the first gaming chair purchase but on a low budget.
For the price, it is quite good, stable, and comfortable. The quality of the materials is not the best, but it does the job and more. It looks decent, doesn't creak or wobble. (height 1.79/84 kg)
Assembly was quite easy and fast. It will be evaluated again in the future after more use.
For now, it is considered good value for money with a price of around €85.

I have extra kilos and spend many hours at the computer. And in both previous chairs, the pump broke quickly because, obviously, it did not withstand so much wear and tear. This one, two months later, seems not to bother it at all that I eat all my food.

The assembly was quite easy. The only complaint I have is that the armrests move quite a bit, maybe the turns on the screws did not catch well, but I can't tighten them because the recess is already worn out and due to their special shape, none of the screwdrivers I have at home "fit".

It is very comfortable, I have not felt any discomfort and I have fallen in love with the waist pillow that I thought I would not need and would remove after 2-3 days.

It has many adjustments to bring it exactly to your measurements, but if it had the ability to recline, I would set up a statue for it.

Being satisfied with a slightly more expensive model, I bought the Alyx in blue color for my child. The reduced rating concerns the quality of the seat, which is a complete disappointment. It is a thin piece of foam, which "sits" from the first uses, and even from an 8-year-old child. Everything else is of acceptable quality, the backrest, the mechanism, the bottle, etc. I must mention that the leather at the seat area has deformed along with the foam. Unacceptable for the cost... if you are going to buy a chair from this brand, prefer at least the immediately more expensive models, priced at 125+ euros, those are as they should be.