I work from home full-time, so I spend a lot of time sitting down, so I decided to buy this chair. So far, I feel that it's helped to reduce the stiffness in my back and neck. It's comfortable. Also, when I lean back against the backrest, my posture straightens up, so I use a laptop for work, but I think I need to change to a desktop PC too, in order to avoid tiring my neck from the height of the screen and my posture. The chair has helped me to improve my posture, and I've been able to experience for myself what the doctor at the orthopedic clinic was pointing out about what was wrong with the way I was using things. I'm only 149cm tall, so it's difficult to find a chair that really fits me, and I think that this chair would be even more comfortable for someone who is a little taller. Compared to the chairs I was using before, which were completely unsuitable, I feel like there's a world of difference. Also, the seat of the chair fits my body perfectly, and it's much more comfortable than when I was using a chair with a low backrest. The 5-year warranty means that I can use it every day, so I thought I'd be able to take better care of it than if I had bought something with a 1-year warranty, and I'm really glad I bought it!