A backrest tends to be more comfortable. If your bar stool is in an area you’d like people to stop and stay awhile, this is definitely an option to consider. Just because a bar stool is designed without a back doesn’t mean it will lack comfort. Plus, stools without a back can be space-savers, tucking neatly under the countertop.
Once you got all measurements right, you need to decide how many stools you need. Figuring out the number is easy. You need to provide adequate spacing for people to eat, drink or socialize. A distance of around 26”-30” between the centers of the bar stools should be ideal.
The general opinion is that bar stools with backs are more comfortable than the backless ones. It’s quite logical actually. Having something to rest against is definitely comfortable and even ergonomic, especially if you’re sitting on the stool for long periods of time. Backless stools can be comfortable too, usually if they’re only used periodically or for short periods of time.
The design of this kitchen island evenly divides the space between the three Twist swivel stools. Also, the design of the stools allows them to have adjustable height and this pretty much solves both problems we’ve discussed so far. But when the island has an undulating design such as in this case, the irregular shape makes it difficult to evenly distribute the stools and to offer each one the same type of comfort.