Provides extra cushion with Roho Dry Floatation technology.Accommodates hip or knee contractures and leg length discrepancies. Kneepad width range from center to center is 8"-12" (20-30cm); kneepad depth range from back of heel is 3.5"-8" (9-20cm); kneepad height range (from footplate to top of pad) is 17"-22.5" (43 -57cm)...