Alpinestars SM3 Heat Helmet Silver/Blue/Black Matte, Off-Road Safety & Performance Helmet - Medium

The Alpinestars SM3 Helmet (Part Number: 8301026-1949-M) is engineered to deliver exceptional safety, comfort, and performance for off-road enthusiasts. Crafted with innovative technology, this helmet ensures you ride confidently on challenging trails while maintaining a lightweight profile. Its thermo-injected polymer blend with variable thickness provides reliable impact protection without adding unnecessary weight, making it suitable for extended rides. The helmet's design incorporates a snug yet breathable fit, enhancing comfort during intense off-road adventures.
Equipped with 10 intake vents and 7 exhaust ports, the SM3 helmet maximizes airflow to keep your head cool under pressure. The patented visor release system reduces neck strain by releasing the visor with a calibrated force during impact, enhancing safety. Additionally, Alpinestars’ patented low-friction coating on the EPS liner minimizes rotational acceleration during oblique impacts, providing extra protection. The helmet’s slip-plane layer mimics the brain’s natural defense mechanism, offering enhanced impact absorption and reducing injury risk. Compliant with both DOT and ECE 2206 standards, the SM3 helmet is designed for global safety and reliability, making it an ideal choice for serious off-road riders seeking top-tier protection and comfort.

Features:

• Conforms to DOT and ECE 2206 safety standards for worldwide use

• Patented visor release system minimizes neck forces during impact

• Ten intake vents and seven exhaust ports for maximum airflow and heat transfer

• Low-friction coating on EPS liner reduces rotational impact forces

• Slip-plane layer mimics brain's natural defense, providing additional impact protection

• Thermo-injected polymer blend with variable thickness for optimal impact absorption

• Engineered for a snug, breathable fit for extended riding comfort