Patented Smartgrid Technology - Onyx Seat & Back Support Are Designed With Our Patented Smartgrid Technology Which Cradles Your Tailbone And Provides Extra Cushioning To Your Tushy For Long Working Hours. Be It In An Office Or Wfh Setup Smartgrid No Pressure Support Allows Your Spine To Stay In Its Natural Posture And Gives You A Feeling Of Weightlessness. Not Just That It Has Multiple Air Channels To Ensure Your Seat & Back Stay Cool And Comfy.