• Certified High Impact CPSC 16 CFR Part 1203 Safety Compliance Testing for Bicycle & Skate Helmets XXX LARGE (25.5") INCLUDES - XL AND XXL LINERS • 5x More Protective Than Non-Certified Soft Foam Skate Helmets • Deep Fit Design About: The S1 Mega Lifer Helmet is one of the best fitting and safest helmets on the market. All S1 Mega Lifer Helmets are manufactured with specially formulated EPS Fusion Foam which allows it to protect your head from multiple low force impacts as well as high impacts making it dual certified and up to 5x more protective than the soft foam non-certified helmets. S1 has been pioneering helmet safety standards over the last twenty years and the S1 Lifer Helmet series is known as one of the safest and best quality skateboard helmets in the world. Over the last 10 years, the S1 Lifer Helmet series has earned its reputation as the #1 bestselling dual certified helmets in the USA. Whether you're riding your bike down the street or rolling at a local skatepark the S1 Mega Lifer Helmet is tested and approved to help disburse energy away from your head in case of an accident. Lightweight + Great Fit + CPSC Certified + Trusted By The Pros = S1 Mega Lifer Helmet