AKRacing Onyx Office Chair Build and First Impressions We unbox and build the AKRacing Onyx Office Chair. This is a high-end office chair with plenty of size for us big guys. It has several features that stand out over some of our previous chairs reviewed, namely this one be upholstered in "top grain" leather. Let's see how it all goes together and what our first week's impressions are. If you like our content, please support HardOCP on Patreon.