Alpinestars SM3 Solid Helmet

KTM Twins Verified independent store

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*This product is estimated to be available to ship in December 2026. Features Varied thickness shell construction for optimized protection and light weight 6-piece EPS liner with t hree different densities Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management One outer shell and two inner EPS liner sizes, with optional +/- 5 mm cheek pads for a tailor made fit Breakaway visor PROPOSITION 65 ⚠WARNING This product can expose you to chemicals known to the State of California to cause Cancer or birth defects and reproductive harm. For more information go to: https://oehha.ca.gov/proposition-65 Show more