Youth Sequence Neck Roll. The Youth Sequence Neck Roll is a youth-specific neck protector developed for motocross and karting to help limit muscular injuries from excessive forward, rearward, or lateral head movement. Constructed with a double-density PU and EVA core, an extended tail, and a force-distributing upper section, it delivers stability, comfort, and effective energy dissipation. Ergonomically engineered for riders aged 6 to 14, it integrates easily with Alpinestars protectors and jackets. Key Features: Youth-specific ergonomic profile: is shaped for riders aged 6 to 14 to support a more natural, secure fit during motocross and karting use. Soft front strap closure: delivers a low-bulk front fastening that helps keep the neck roll easy to wear with minimal chest-area interference.