a biomechanical ankle pivot for stable flex

championship-winning graphic treatments on the glove

accordion flex zones

and grippy rubber sole optimize fit

supertech r boots 2020 black Footwear Size:43 a biomechanical ankle pivot forEngineered for road riders, the Supertech R Boots deliver racebred performance in Alpinestars motorcycle footwear refined by pro racing feedback. CE EN13634: 2017 certified, they use a synthetic microfiber chassis with accordion flex zones, a breathable 3Dmesh inner bootie, injectionmolded shin plate, TPU shifter panel, and replaceable TPU aluminum toe and heel sliders, while a side zip, hookandloop lock, microratchet, and grippy rubber sole optimize