COUGAR Fusion S Chair, Black | Fusion SCOUGAR Fusion S Chair, Black Fusion S FUSION S is designed with a medium size, ergonomics and gaming style look to give you a comfortable experience at play and work. Improve productivity during the daytime and increase battle power during the night, it is an excellent chair for different purposes! With built in 3D curved lumbar support, FUSION S enhances the support of the lower back to help your back feel better and maintain a comfortable posture.