Rossignol Hero World Cup 90 SC is a high-performance race boot designed for competitive racers. It pairs a stiff 90 flex with race-focused features for precise control and responsive power transmission. Key attributes: Gray | Meteor grey | Polyurethane | 90 flex rating | 97 mm last for race fit | Dual Core shell for responsive power transmission | Race canting and flex adjustment | Full custom liner | Anatomic high-density foam liner | Short cuff design | Contoured forefoot and strong heel cup | Dimensions & fit: Size range: 21 - 28.5 | Narrow fit (97 mm last) | Short cuff design | Flex: 90 (stiff) | Composition & care: Polyurethane shell | High-density foam liner | Textile lining