Alpinestars Supertech M10 Limited Edition San Diego 20 Helmet :: MotorcycleGear.com

Alpinestars Supertech M10 Limited Edition San Diego 20 Helmet (XXL Only)

Features

  • Lightweight outer shell is constructed from technologically advanced composite materials in four sizes to ensure a superior fit
  • Fitted with E-2, the latest generation of MIPS®, an integrated low-friction layer designed to reduce rotational motion transferred to the brain from the angled impacts to the head
  • Multiple-density inner helmet liner
  • Visor is attached to helmet shell with patented system that allows easy release in case of impact
  • Two visors supplied with helmet — one Regular height and one Super High height
  • Patented A-Head adjustable-height top interior helmet pad height
  • Superior ventilation system utilizes 19 intake and 5 exhaust ports
  • Helmet side shell shape combined with soft EPP foam prevents damage to collarbone in event of crash
  • Emergency release and removable cheek pads
  • 3D contoured foam
  • Removable comport liner uses anti-moisture and antibacterial fabrics
  • Hydration system prepared
  • E-Ject prepared

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Sizing Information

Below is a size chart provided by Alpinestars for this product.

Helmet Size Head Measurement (inches) Head Measurement (cm)
XS 20.8 to 21.2 53 to 54
Small 21.6 to 22 55 to 56
Medium 22.4 to 22.8 57 to 58
Large 23.2 to 23.6 59 to 60
XL 24 to 24.4 61 to 62
XXL 24.8 to 25.2 63 to 64

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