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4mm stem (black stem) on 12eDRIVE and 16eDRIVE models
10% spandex
the SMX-1 R v2 Vented Riding Shoe incorporates a host of technical innovations for improved levels of comfort
Tested under rigorous scientific review to exceed ECE and DOT standards
With our brand DNA embedded in racing
Alpinestars Supertech R Vented Boots (Black/White) Size US 13 / EU 48 Snow Suit 4mm stem (black stem) onAlmost every component of the Supertech R Vented 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 extensive perforations throughout for maximum airflow, innovations derived using feedback from Alpinestars involvement in top flight racing include a newly redesigned front flex area, a redesigned rear bellow,
