Nucleon Flex Plus armor is included at the shoulders and elbows

80g PrimaLoft® Silver insulation for exceptional warmth retention in cold conditions

incorporating new mesh materials for improved stretch and breathability

Constructed with an advanced microfiber upper with soft textile inserts

The urban-styled Garage Jacket is Alpinestars modern moto interpretation of the classic denim jacket

s r10 crown pad gray RGroup_6525520 Nucleon Flex Plus armor isReplacement crown pad set for Alpinestars S R10 Helmets, available in multiple sizes. Alpinestars official replacement parts. When selecting your crown pad, please keep in mind that the crown pad varies depending on the helmet size. In addition, the same crown pad can be used within sizes XS and S, or XL and XXL (for example, the crown pad size S is a regular size 10. If you want a tighter fit, then you can choose the crown pad with a size 15 or 20.