Just because a Office chair Singapore costs a lot of money doesn't mean it offers great value. If it was that simple all you would need to do is shell out your hard earned cash. You need to think about what you like and don't like about your Office chair Singapore.
Some will like the idea of a mesh Office chair Singapore like the Omega because it allows good air circulation when you're sitting. So if you tend to sweat easily this could be a good choice for hot summer days. And yet if you are of a skinny build, you could find its firm upholstery doesn't give the comfort you need. You would likely be much better served by a well padded Office chair Singapore such as Steelcase's Leap chair.
It's worth spending time reading product and user's reviews to gain valuable feedback on what's likely to work best for you.