ALPINESTARS SM3 HEAT HELMET ECE06/DOT WHITE PURPLE

Alpinestars SM3 Heat helmet ECE06/DOT White Purple/pink Glossy pairs a bold accent colorway with a helmet engineered for MX, enduro, and off-road riding, integrating advanced comfort and impact-protection technologies.

The thermo-injected shell incorporates a special polymer blend enhanced by varying degrees of thickness, engineered to deliver the optimal combination of impact protection and light weight, with a size medium weighing 1430g in ECE spec and 1460g in DOT spec. An advanced 5-piece EPS inner liner with four specific densities optimizes impact management, and 10 intake vents paired with seven exhaust ports maximize ventilation and heat transfer during hot laps.

Alpinestars’ patented low-friction coating applied to the inner main EPS liner acts as a slip plane to reduce rotational acceleration forces from certain oblique impacts, mimicking the brain’s own low-friction cerebrospinal fluid. The patented visor release system ensures the visor detaches with a precise, pre-determined amount of force to reduce forces on the rider’s neck, and the fit can be tailored using genuine spare crown and cheek pads in different thicknesses. Conforms to both DOT certification and ECE 22.06 homologation.

Product Specifications

Shell: thermo-injected special polymer blend with variable thickness
Ventilation: 10 intake vents and 7 exhaust ports
Rotational protection: patented low-friction coating on inner EPS liner
Visor: patented visor release system with pre-determined release force
Liner: advanced 5-piece EPS inner liner with 4 specific densities
Fit: tailorable via genuine spare crown and cheek pads
Weight: 1430g (ECE) / 1460g (DOT), size medium
Certification: ECE 22.06 homologation and DOT certified
Color: White/Purple/Pink Glossy

Additional information

SIZE	XS , S , M , L , XL , 2XL

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Shipping & Delivery

Order Processing

Standard orders are processed and dispatched within 1–3 business days of payment confirmation. A dispatch confirmation with your tracking details will be sent to your registered email address as soon as your order ships. Orders submitted on weekends or public holidays enter processing on the next available business day.

Estimated Delivery Timeframes

Region	Standard	Express
United States	7–12 business days	4–6 business days
United Kingdom	5–8 business days	3–5 business days
Canada & Australia	8–14 business days	5–7 business days
Rest of World	10–16 business days	6–9 business days

Timeframes are estimates and are subject to carrier schedules, customs processing, and seasonal demand. Express shipping availability is confirmed at checkout.

Duties & Taxes Paid — What You See Is What You Pay

Every order ships on a Delivered Duty Paid (DDP) basis. All import duties, taxes, and customs clearance fees are settled before your order leaves our facility. There are no surprise charges on delivery — ever.

Shipment Tracking

A tracking number and carrier link will be included in your dispatch confirmation email. You can monitor your delivery status in real time from the moment your order leaves our facility.

Delivery Enquiries

If your order has not arrived within the estimated window, or if you have received a damaged or incorrect item, please contact our customer support team directly. We will investigate promptly and arrange a resolution — whether that is a replacement, reroute, or full refund.