Large Side Air White Pro 20Side Air Pro20 Sa2020 Wh Lrg Helmetfeatures: Side Air Inlet Design Uses Standard 1.250" Hose Air Flows From Left To Right Across Faceshield 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 Eyeport 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