Large Side Air Flat Black Pro 20 Helmet, Pro20 Side Air, Full Face, Snell SA2020, Head And Neck Support Ready, Flat Black, Large, Each features: Side Air Inlet Design Uses Standard 1.250" Hose Air Flows From Left To Right Across Face shield Hans / HNR M6 Threaded Inserts In Shell Frp Composite Shellâ Expanded Polystyrene (Eps) Liner Comfort Fit Blended Nomexâ® Interior Distortion Free 3Mm Polycarbonate Low Fog Shield Great Peripheral Vision Silicone Eye port Seal Keeps Out Dust & Amp; Dirt Kevlarâ®Â Chin Strap Fire Retardant Paint &Amp; Interior Aluminum Pivot Kit W/Adjustable Friction Lock Tear-Off Posts Hand Ratchet To Eight Positions Slick Aero Design With Chin Spoiler