Designed with the posture and body of those who sit at a desk for long periods of time in mind. The JG series is designed with a structure and function that reduces strain on the lower back and back. JG5 is a standard model with a smart design. The backrest fabric is a high-quality mesh made by Dupont. The seat uses molded urethane, which is elastic, durable, and has a good fit. It is comfortable to sit in for long periods of time without getting tired.