ALPINESTARS SM3 Radium Helmet — Black/White/Grey — RADIUM

Description

ALPINESTARS SM3 Radium Helmet — Black/White/Grey — RADIUM

Features

• Conforms to both DOT and ECE 2206 standards, ensuring safe use worldwide.
• The patented visor release system minimizes forces on the neck by releasing the visor with a precisely calibrated amount of force during impact.
• Features 10 inlets and 7 exhaust ports for maximum airflow and effective heat transfer, keeping you cool during intense rides.
• Alpinestars' patented low-friction coating on the EPS liner reduces rotational acceleration forces from oblique impacts.
• Mimics the brain’s natural defense system with a slip-plane layer for added protection.
• Thermo-injected polymer blend with variable thickness delivers optimal impact protection without compromising on weight.
• Engineered for ease of use, offering a snug yet breathable fit for extended riding sessions.

Sizing & selling quantity

Designed for offroad use. Sized to the rider, not to a motorcycle model. Select your size using the manufacturer’s sizing guidance. Sold as one helmet.

Warehouse availability

In stock. Wait for your pickup-ready notice.