Do computer chairs have to be tried out before purchasing?

In looking at new computer chairs and lumbar supports for older chairs, what is the best way to buy them? Surely you will want to sit in many and try them out, right? Not necessarily, as most office furniture stores have a very limited selection of chairs purchased usually at closeout discounts, so you will not get to see or try out the quality of chair you would genuinely want. The only way to find a large enough selection of comfortable computer chairs is by searching online. No, you won’t be able to sit in these chairs but the true test of any mesh or leather office chair is how you feel after sitting in it for five hours not five minutes. Fortunately most better internet office furniture companies have detailed descriptions of all their products and exact specifications which will give you an excellent virtual idea of how every chair will feel without having to try them out.