sm3 youth radium helmet ece06 gray black yellow fluo matte YGroup_2611921 it features Nucleon Plasma Technology—an

it features Nucleon Plasma Technology—an eco‑friendly bio‑based blend with high‑performance polyurethane—plus extensive perforations and ventilation channels

semi‑rigid thermoplastic shells

Featuring a removable windbreaker liner

and control flex to reduce hyperextension on demanding terrain

The asymmetric and lightweight design ensures this knee protector provides optimal levels of comfort and freedom of movement

sm3 youth radium helmet ece06 gray black yellow fluo matte YGroup_2611921 it features Nucleon Plasma Technology—anAnatomically engineered and profiled specifically for youth and younger riders, the all new SM3 Youth Helmet is optimized for MX, Enduro and Off road use, and features a whole raft of technologies and innovations taken from Alpinestars range of adult helmets to deliver the optimal blend of performance, protection and comfort. The SM3 Youth weighs 1060 g (ECE)