ALPINESTARS SMX 6 V3 BOOTS BLACK WHITE RED GRAPHIC US 10 5 EU 45 - 3404-1837Packed with a host of innovative safety and protective features, SMX 6 V3 is the ultimate track and performance riding all rounder, and incorporates race derived technology and materials to give riders a crucial performance edge on the track, and the street Advanced microfiber upper construction for lightweight high performance protection against abrasion and superb levels of flexibility Front flex and back flexion zones are constructed with textile