Alpinestars - SM3 Helmet - Heat - Gloss White/Purple/Pink Top Cases these liners provide a secure

these liners provide a secure and reliable barrier against the elements

and collar for ease of use

Thermoformed padded chassis for optimized levels of comfort and close-to-body fit

antibacterial

Alpinestars - SM3 Helmet - Heat - Gloss White/Purple/Pink Top Cases these liners provide a secureVaried 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