Roll R1 Percussion Massager, Carbon Black mensfootwear leads to improved lower limb

leads to improved lower limb mechanics which results in less energy exertion

multi-discipline spike that can handle any event on the track

propulsive ride with high traction

and flexibility ensures a customized fit in almost all casual shoes

cool conditions

Roll R1 Percussion Massager, Carbon Black mensfootwear leads to improved lower limbIntroducing the R1 Percussion Device. Developed using feedback from elite and professional athletes, the R1 was designed with four key elements: compact and powerful, exceptionally quiet operation, over 7 hours of battery life, and built with the highest quality of materials. The R1 operates with 40W of power (50W max power), has 4 speed settings, 4 unique attachment heads and is packaged in a beautiful, aircraft grade aluminum anodized body for long