HJC RPHA 1N Helmet.

The RPHA 1N was designed and developed after several years of focused efforts and crucial feedback from top world-class athletes in MotoGP. HJC’s top engineers went to work and created a race-bred helmet that is truly worthy of top race circuits around the world. The RPHA 1N is the very same model used by HJC’s world-class athletes in both MotoGP and WorldSBK.

Features

P.I.M. Plus (Premium Integrated Matrix Plus) Reinforcement Materials, Including Carbon and Carbon-Glass Hybrid Fabric
Aerodynamic Shell Design. 5 intake, 4 exhaust vents
“ACS” Advanced Channeling Ventilation System
Pinlock®-Ready, Anti-scratch, HJ-35 Shield
Easy Attachment System Allows Tool-Less Shield Replacement
SilverCool™ Enhanced Moisture Wicking and Quick Dry
Removable, Washable Crown and Cheek Pads
Includes: Breach Deflector, Chin Curtain, Tear-Offfs, Clear Extended Aero-Spoiler
Speaker Pockets for Bluetooth Communication
Standards: FIM, ECE, & DOT Approved

Sizing

Wrap a tape measure horizontally around your forehead. Select the helmet that is the closest fit to that size. A helmet should fit snug on your head. If it moves while wearing, it is too large. If it is painful to wear, it is too small.