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ALPINESTARS SM3 Radium Helmet - Gray/Black/Yellow

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$274.95
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ALPINESTARS SM3 Radium Helmet - Gray/Black/Yellow

$274.95

ALPINESTARS SM3 Radium Helmet - Gray/Black/Yellow

$274.95
✕

Features:

  • Varied thickness shell construction for optimized protection and light weight by DMG Motorsports
  • Optimized for MX, Enduro, and Offroad use
  • Delivers blend of performance, protection, and comfort
  • Features thermo-injected shell incorporating a polymer blend enhanced by varying degrees of thickness
  • Lightweight impact resistant thermoplastic outer shell
  • Inner shell constructed with a composite fiber for maximum protection
  • Fit tailored to the rider's head with helmet's crown and cheek pads
  • Multiple density inner liner with reduced weight for enhanced impact absorption
  • Polished inner EPS liner for rotational impact management
  • Engineered to minimize the effects of oblique impacts
  • 10 inlets and 7 exhaust ports for maximized ventilation and high levels of heat transfer exchange
  • Visor designed to direct air into the ports for enhanced airflow
  • Visor release system effectively reducing the forces on the rider's neck during impact
  • Green comfort liner constructed using recycled materials
  • Integrated hydration tube channels in helmet's cheek pads
  • Optimal safety and rider comfort assured with soft textile 25 mm chin strap
  • Emergency Release System with removable cheek pads for convenient and safe cheek pad removal
  • Optimized chin area for superior impact performance
  • Secured fitting with stainless steel D-rings

WARNING: California's Proposition 65 - www.p65warnings.ca.gov

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