I have not had the chair very long but it seems to be a good quality chair. The only drawback to sitting in this chair is I find myself falling asleep.
The base completely broke after 8 months of use. I use this for a normal office chair and work from home. I bought the extended warranty but the part they sent is impossible to replace without special tools and instructions not provided with the chair. It's great for occasional use but it's not durable and won't even last a year as an office chair.
I like how comfortable it is to sit in the chair for long hours. Easy to assemble. It is easy to adjust the height up and down. Highly recommend for anyone who has lower back problems.