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The \u003cstrong\u003eS-One Helmet Mega Lifer Black Matte\u003c\/strong\u003e is designed with a larger shell for head sizes around 23.5–25.5 inches, bringing the familiar deep-fit feel of the Lifer to riders who need more room.\u003c\/p\u003e\u003cp\u003eMade for skateboarding, BMX, scootering, cycling, roller skating and roller derby, this multi-impact helmet combines EPS Fusion Foam construction with certified high-impact protection. Interchangeable sizing liners help you fine-tune the fit, so you can focus on the ride instead of constantly adjusting your helmet.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLarger shell designed for head sizes around 23.5–25.5 inches\u003c\/li\u003e\n\u003cli\u003eDeep-fit design with interchangeable sizing liners\u003c\/li\u003e\n\u003cli\u003eEPS Fusion Foam construction\u003c\/li\u003e\n\u003cli\u003eCertified multi-impact and high-impact protection\u003c\/li\u003e\n\u003cli\u003eMatte black finish for a clean, classic look\u003c\/li\u003e\n\u003cli\u003eIncludes a selected sizing liner, S1 sticker pack and owner’s manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe helmet is certified to CPSC 16 CFR Part 1203, a standard recognised for bicycle-helmet use in Australia and New Zealand. CPSC is different from AS\/NZS 2063, and local requirements may vary, so check your local rules and the helmet’s certification label before riding. Read our \u003ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https:\/\/s1helmets.com.au\/blog\/2026\/07\/australian-bicycle-helmet-standards-s1\/\"\u003eAustralian helmet standards guide\u003c\/a\u003e for more information.\u003c\/p\u003e\u003cp\u003eChoose your size with the \u003ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https:\/\/s1helmets.com.au\/find-your-size\/\"\u003eS1 Helmets Size Guide\u003c\/a\u003e. Additional liner kits are available to help dial in the fit. Get a more comfortable, confident ride with a helmet built for bigger heads.\u003c\/p\u003e"}
S-One Helmet Mega Lifer Black Matte
Finding a skate helmet that fits a larger head comfortably shouldn’t mean settling for a shallow or awkward fit. The S-One Helmet Mega Lifer Black Matte is designed with a larger shell for head sizes around 23.5–25.5 inches, bringing the familiar deep-fit feel of the Lifer to riders who need more room.
Made for skateboarding, BMX, scootering, cycling, roller skating and roller derby, this multi-impact helmet combines EPS Fusion Foam construction with certified high-impact protection. Interchangeable sizing liners help you fine-tune the fit, so you can focus on the ride instead of constantly adjusting your helmet.
Key features
Larger shell designed for head sizes around 23.5–25.5 inches
Deep-fit design with interchangeable sizing liners
EPS Fusion Foam construction
Certified multi-impact and high-impact protection
Matte black finish for a clean, classic look
Includes a selected sizing liner, S1 sticker pack and owner’s manual
The helmet is certified to CPSC 16 CFR Part 1203, a standard recognised for bicycle-helmet use in Australia and New Zealand. CPSC is different from AS/NZS 2063, and local requirements may vary, so check your local rules and the helmet’s certification label before riding. Read our Australian helmet standards guide for more information.
Choose your size with the S1 Helmets Size Guide. Additional liner kits are available to help dial in the fit. Get a more comfortable, confident ride with a helmet built for bigger heads.