HJC i10 Maze Helmet.

Features

Advanced Polycarbonate Composite Shell

Lightweight, superior fit, and comfort using advanced CAD technology
Aerodynamic shell shape reduces turbulence
Impact-absorbing, multi-density EPS liner

ACS Advanced Channeling Ventilation System

Full front-to-back airflow flushes heat and humidity up and out
Chin bar intake vent provides airflow across the shield interior to help eliminate shield fogging

Anti-Fog System

Side chin bar venturi exhaust vents for increased heat and humidity dissipation

SuperCool® Moisture-Wicking Interior

Crown and cheek pads are removable and washable
Multi-layer contoured cheek pads improve fit and comfort
All CL-17 cheek pads are interchangeable throughout shell sizes
Glasses grooves accommodate riders who wear eyeglasses

Anti-Fog Lens-Prepared Face Shield and RapidFire™ Shield Replacement System

Anti-fog lens-prepared HJ-31 face shield with anti-scratch coating
Optically correct, three dimensional face shield offers 95% UV protection
RapidFire™ shield replacement system allows for quick, secure, and tool-less shield removal and installation

D-Ring Retention System

D-Ring with adjustable retention chin strap

Bluetooth Ready

Bluetooth sold separately

Standards: Snell M2020D (3XL DOT Only)
Construction: Injection Molded Advanced Polycarbonate Composite Shell
Weight: 3.80 lbs / 1725 grams (approx, based on Size Medium Solid Color)

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.