Alpinestars SM3 Solid Helmet

Features

Varied thickness shell construction for optimized protection and light weight

6-piece EPS liner with three different densities

Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management

One outer shell and two inner EPS liner sizes, with optional +/- 5 mm cheek pads for a tailor made fit

Breakaway visor

PRODUCT DESCRIPTION
PROPOSITION 65
FITMENT
WARRANTY

PRODUCT DESCRIPTION

Features

Varied thickness shell construction for optimized protection and light weight
6-piece EPS liner with three different densities
Polished inner EPS liner with special coating to reduce friction with comfort liner for rotational impact management
One outer shell and two inner EPS liner sizes, with optional +/- 5 mm cheek pads for a tailor made fit
Breakaway visor

PROPOSITION 65

⚠WARNING

This product can expose you to chemicals known to the State of California to cause Cancer or birth defects and reproductive harm. For more information go to: https://oehha.ca.gov/proposition-65

FITMENT

For Alpinestars product sizing, please see refer to the Alpinestars size charts.
For Alpinestars youth helmet sizing, please click here.

WARRANTY

Warranty Policy

All parts sold by KTM Twins are covered exclusively under the manufacturer’s warranty, if applicable. KTM Twins does not provide any additional warranties, express or implied, beyond what is offered by the manufacturer.

View our returns policy for more information.

Route Package Protection

Route Shipping Protection is now available on all orders. Route's Package Protection is a package protection solution that helps cover your order in the event that your order gets lost, stolen, or damaged while in transit. We know how frustrating it is to have something happen to your order, so we’ve partnered with Route to offer added assurance that you’re supported, no matter what.

View our shipping policy for more information.

Alpinestars SM3 Solid Helmet

Features

PROPOSITION 65

⚠WARNING

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Features

⚠WARNING