Alpinestars Supertech R Motorcycle Boots, black-white-red, size 47

Almost every component of the Supertech R Boot, Alpinestars definitive racing boot as worn by a roster of champions past and present, has undergone a rigorous program of upgrades to sharpen its performance features even further. Featuring innovations derived using feedback from Alpinestars involvement in top flight racing, key elements include a newly redesigned front flex area, a redesigned rear bellow, a redesigned top gaitor, a new shifter and shin plate, a new shin slider and a new inner bootie, all of which enhance the comfort, protection and the performance of this boot to a new class-leading high.Features:- New TPU stretch panel design with zip for an easier entry and exit and a closer, more optimized fit.- Hook and loop closure secures the puller zip remains in position.- Micro adjustable ratchet closure on top of boot for an optimized fit.- New replaceable heel plate slider design offers increased sliding performance and protection in the case of crash.- Sole constructed using