They absorb impact force and create a hard armor

adjustment of the fit at the waist and the circumference of the collar

On the days when the heat is pouring down from the sky and maximum ventilation is not enough

Double-D chin strap closure

Aerodynamic EIRT (Energy Impact Resistant Thermoplastic) helmet shell

TWIN AIR Air Filter - 152104 hyosung-te-450-rapier-450-2010-esi1039058 They absorb impact force andThanks to their patented conception and their high quality raw materials, Twin Air Filters Warrant The Best Performance and Protection for Your Motorcycle. That's Why Eo Manufacturers and the Best Riders of the World Choose Twin Air. Coarse Open Pore Foam Catches Airborne Dirt, Grime and Sand Fine Open Pore Inner Foam Acts As A Second Filter to Trap The Smallest Particles while Ensuring Maximum Air Passage Exclusivly Developed Adhesive Ensures Glue