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Sublimated graphics on the backhand
Front Alpinestars embroidered logo
Injected vented dual pane anti-fog replacement lens
5L bladder system
Welded nonslip aluminium centre rungs
S-M3 Radium Helmet Shirt Sublimated graphics on the backhandEngineered for MX, Enduro and off road riding, the SM3 Helmet integrates advanced technologies and innovations designed to enhance ease of use, comfort and impact protection. Advanced Shell Construction: This helmet features a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and lightweight. The SM3 medium weighs 1430g (ECE).