Rossignol HERO WORLD CUP 110 MV The Rossignol HERO WORLD CUP 110 MV are racing style boots with an ergonomic “medium” 100mm width which is suitable for the majority of the skiers. Boots feature the newest Dual Core technology that brings dynamic reaction and precise flex distribution which increases the precision and control in turns. The inner boot is thinner, pre-shaped and the tongue and the upper can be thermoformed. The MEDIUM design has softer heel to cushion impacts. Rossignol HERO WORLD CUP 110 MV