This PCI Elite Wired Impact Air Draft OS20 SA2020 Helmet is the perfect fit for a stylish driver who takes safety seriously. With its carbon-kevlar construction, this helmet offers a lightweight design that meets the highest safety standards. Step up your motor sports game with this sleek and reliable helmet.

• Made in the USA!
• SNELL SA 2020
• Wide, low eye port for better field of view and great view of the dash.
• Constructed of a Carbon-Kevlar tri weave composite.
• Offset 20 Air Inlet for additional overhead clearance of the roof of the vehicle. Connect your RaceAir hose and fresh air is pumped into three individual air channels towards the shield reducing fog.
• Velcro installed for Helmet Skirt (sold separately)
• PCI Custom Wired. Large, high watt speakers, H2NO water resistant Pigtail and Ear Jack. Earpieces sold separately.
• Includes our standard, low noise, low gain microphone.
• Optional Upgrade to Noise attenuating Ear Cups, We custom wire the speakers inside of the ear cups. We've had great reviews about the ear cups. It's a tight squeeze to get the helmet on, but the noise cancellation is worth it and it's a comfortable fit once it's on your head!
• All SA2015 and SA2020 helmets have the 6mm back plate installed for easy Head and Neck Restraint hardware installation.
• Optional Hydration System 
• Helmet Weight: 4.3 lbs Wired (no ear cups) with Race Air.

https://www.impactraceproducts.com/sizecharts_a/280.htm