Alpinestars Tech 5 MX Boots - BlackThe Alpinestars Tech 5 Boots feature an upper constructed from innovative and light microfiber material with action leather on toe box. A redesigned instep and achilles accordion flex zones demand even more comfort while contoured TPU calf protector plate, TPU higher medial protector and TPU outer lateral ankle provide protection and stability. For additional bash resistance, an injected TPU shin plate is connected with the TPU medial protector panel.