Tecnica Mach1 Concept ski boots, size 25.5 (295mm bsl, Alpine DIN sole), moderately used 15-20 days. The Mach1 Concept is the 140 flex, flagship boot in the Mach1 lineup. A full CAS shell, liner, and tongue allow for the best fit and most customizable boot possible. These have been modified to fit a 106mm forefoot while retaining the high performance heel hold and response. The carbon fiber T-drive adds extreme response and precision on top of the 140 flex and supreme fit.
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