The all-new rubber sole

06‑certified multi‑composite shell (3K carbon

a D ring closure for security and a removable and washable anti-bacterial lining with Polygiene

for effective climate control in any conditions

s r10 top pad gray Size:OS15 The all-new rubber soleReplacement top pad for Alpinestars S R10 Helmets, available in two sizes. Alpinestars official replacement parts. When selecting your top pad, please keep in mind that the same top pad can be used within sizes XS to XXL. The standard top pad is a size 15. If you want a tighter fit, then you can choose the crown pad with a size 20 which has +5 mm thickness more than size 15.