Alpinestars Sm5 Sail Helmet

$379.95
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The Alpinestars SM5 Sail Helmet is a lightweight off road helmet built for motocross and trail riders who want strong impact protection, focused ventilation, and a comfortable fit for long sessions on dirt or single track.

Key Features

  • Lightweight thermo injected polymer shell engineered for strength and durability

  • Multi density EPS liner that handles both low speed and high speed impacts

  • Inner shell system that helps reduce linear and rotational forces during angled crashes

  • Emergency Release System cheek pads for safer removal after an accident

  • Quick release visor design that sits flush to the shell and does not use screws

  • Multiple intake and exhaust ports with internal air channels for steady airflow in hot conditions

  • Hydration hose compatible cheek pad routing for enduro and long trail riding

  • Moisture wicking, antimicrobial, removable and washable comfort liner

  • Stainless steel D ring chin strap with strong textile webbing

Materials and Protection

  • Advanced polymer composite outer shell

  • Multi density EPS impact liner

  • Removable moisture wicking comfort liner

Certifications

  • DOT certified

  • ECE 22.05 certified

Fit Guidance

  • Traditional off road interior shape

  • True to size for most riders

  • Balanced padding designed for stability and comfort during long or aggressive riding

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