Dual Sphere - Black Colour:Black and the rubber outsole ensures

and the rubber outsole ensures reliable traction

They've got the tech you need to keep you going farther

WITH REFLECTIVE DETAILS AND ADJUSTABLE WAIST

​ By raising the heel drop

Dual Sphere - Black Colour:Black and the rubber outsole ensuresDiscover an efficient way to massage your own back and neck with the TRNR Dual Sphere. The spine cradling design prevents contact with spinal discs and delivers a bilateral deep tissue massage of the muscles surrounding the vertebral column. The Dual Sphere can also be used on your calves, hamstrings, quadriceps, hips, and glutes. The unique textured surface provides enhanced traction, while the high density EVA foam retains its shape post