A Brunotti harness is something out of their RDP line. RDP stands for Rider Developed Product, Brunotti Rider Developed Products are developed with riders, for riders. On every Brunotti harness they use their Lumbar-fit technology. What means Lumbar-fit? Well, they`ve looked at het shape of the lower back and developed an outline that will fit perfectly around your waist. With this technology they managed to reduce the big spaces between your body and your Brunotti harness belt. Thanks to this your will feel your gear more directly so you can optimize your tricks while wearing your Brunotti harness.