Med Side Air White Pro 20 Side Air Pro20 Sa2020 White Med Helmet 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 Composite Shella Expanded Polystyrene (Eps) Liner Comfort Fit Blended Nomex Interior Distortion Free 3mm Polycarbonate Low Fog Shield Great Peripheral Vision Silicone Eye port Seal Keeps Out Dust & Amp; Dirt Kevlar 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