Alpinestars Supertech S-M8 Cactus Helmet :: MotorcycleGear.com

Alpinestars Supertech S-M8 Cactus Helmet

Features

  • Lightweight multi-composite combination shell: uni-directional carbon composite with an aramid layer
  • Shell layers with an epoxy resin bonding for limited outer shell deflection so that the energy spreads wider and is better absorbed by the EPS liner *Four shell sizes
  • Multi-density EPS polymer liner four section construction that allows for specific densities of polymer to be prepared for different zones around the helmet lining
  • Patented A-Head fit system allows the M8 to be tuned exactly to the riders preference with a micro-adjustable pad that is connected to the inner shell
  • Patented visor release system ensures the peak detaches from the helmet if subjected to a significant impact while maintaining shell integrity
  • Base of the S-M8 has been sculpted for collarbone protection and includes an energy absorbing pad
  • MIPS incorporated to reduce rotation motion energy with a low-friction slip layer between the comfort liner and the multi-density polymer energy absorption shell
  • Emergency Release System cheek pads
  • Designed to allow a helmet eject inflation system to be fitted into the inside crown of the shell (sold separately)
  • Wide 26mm chin strap
  • Visor designed to direct air flow along with intake and exhaust vents
  • Hydration compatible
  • Removable and washable Coolmax liner
  • DOT and ECE certified

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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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