



S-One Helmet Lifer | Matte Black/Purple Straps (Old Box)
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S-One Helmet Lifer | Matte Black/Purple Straps (Old Box)
The multi-impact skate lid Olympian Heimana Reynolds swears by.
The S1 Lifer is S1's go-to certified skate helmet, with a low, deep fit and a classic skate shape. This one is Matte Black with purple straps. It's made for skaters, BMX riders, scooter kids, roller skaters and derby players who want real certified protection. This one comes in older S1 packaging.
S1 builds the Lifer around its own EPS Fusion Foam, formulated to handle multiple low-force impacts as well as a single high-force hit. It's certified to ASTM F1492 for skateboarding (multi-impact) and the US CPSC bike standard (high impact). A deep fit design sits low on the head, and swappable sizing liners let you fine-tune the fit.
Key Features
- Multi-impact certified: ASTM F1492 for repeat skate slams
- Bike certified: CPSC 1203 high-impact standard
- EPS Fusion Foam: handles small knocks and big hits
- Deep fit design: sits low and secure
- Swappable liners: two sizing liners included
- Wide size range: XS to 3XL
Specs
- Liner: EPS Fusion Foam
- Certifications: ASTM F1492 (multi-impact), CPSC 1203 (high impact)
- Fit: Deep fit with interchangeable sizing liners
- Liners included: Two per size, different thicknesses
- Sizes: XS, S, M, L, XL, 2XL, 3XL
- Colourway: Matte Black with purple straps
- Packaging: Older S1 box
Certifications
Certified for: Skateboarding, Bike and e-bike riding, Scooters, Roller skating
- ASTM F1492: US skateboarding helmet standard, tested for multiple impacts
- CPSC 1203: US bicycle helmet standard, accepted in Australia for bike riding
S1 also states the Lifer is certified to Australian and European helmet standards; check the label inside the helmet.
Size Guide
Wrap a soft tape measure around your head about 2cm above your eyebrows, at the widest point, and pick the size closest to your measurement. S1 sizes in inches; the cm figures are conversions. Between sizes? The two sizing liners supplied let you go a little tighter or looser, and we can help you check the fit in store.
| Size | Head circumference | Inches |
|---|---|---|
| XS | 52.1cm | 20.5" |
| S | 53.3cm | 21" |
| M | 54.6cm | 21.5" |
| L | 55.9cm | 22" |
| XL | 57.2cm | 22.5" |
| 2XL | 58.4cm | 23" |
| 3XL | 59.7cm | 23.5" |
Each size ships with two sizing liners of different thickness, so you can go tighter or looser. S1 colour-codes its liners by size and sells an optional Fit Kit with 7 sizing liners and 2 top pads.
About S1
S1 Helmet Co. is based in Gardena, California, and co-founded by Dan McCashin and Chris Terins, with more than 20 years of helmet manufacturing behind it. Olympic skateboarder Heimana Reynolds has worn the Lifer since he was 12 and calls it the only helmet he'll wear.
S1 is known for certified multi-impact skate helmets built around its own EPS Fusion Foam, a low, deep fit and a huge size range. Skaters, roller skaters, derby players and bike and scooter riders choose S1 for helmets that are properly certified but still comfy enough to wear every session.
FAQs
Can I use the S1 Lifer for skateboarding and bike riding?
Yes. S1 certifies the Lifer to ASTM F1492, the US skateboarding standard tested for multiple impacts, and to CPSC 1203, the US bicycle standard accepted in Australia for bike and e-bike riding. It covers skating, BMX, scooters and roller skating.
What size S1 Lifer should I get?
Measure around your head about 2cm above your eyebrows and match it to the chart, from XS (20.5", about 52cm) to 3XL (23.5", about 60cm). Each helmet comes with two sizing liners, so you can fine-tune the fit between neighbouring sizes.
When should I replace my helmet?
Replace it after any big, hard impact, even if it looks fine. The Lifer's EPS Fusion foam is certified to handle multiple small knocks, but a serious slam can still compress the liner beyond what it can recover from. Swap it out too if the shell cracks, the foam dents or the straps wear.
What does multi-impact mean on the S1 Lifer?
It means the Lifer is certified to ASTM F1492, which tests a helmet with repeated impacts, the kind of knocks you take learning in the bowl. Its Fusion Foam is formulated to handle those smaller hits as well as a single big one.
What does "Old Box" mean?
It's the same certified S1 Lifer helmet, just shipped in S1's older packaging. The helmet itself, the certifications and the sizing are the same.
Why Buy From Twelve Board Store
- ✔️ Free shipping Australia-wide on orders over $90
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Certified protection for every session.
Shipping
FREE shipping Australia wide on this product. Orders are dispatched within 1–2 business days, with estimated delivery of 3–7 business days to metro areas and 5–10 business days to regional and remote locations. You will receive tracking details by email as soon as your order ships.
Returns
Enjoy 30-day change-of-mind returns on unused items in their original, undamaged packaging. Faulty or incorrectly supplied items are covered by a hassle-free replacement or full refund — just reach out and we will take care of it.
Warranty
Every product is backed by the full manufacturer's warranty against defects in materials and workmanship, in addition to your rights under the Australian Consumer Law. If anything goes wrong, contact our team at support@twelveboardstore.com.au and we will arrange assessment, repair, replacement or refund as appropriate.
Found it cheaper? We will beat any Australian authorised retailer price. Contact us at support@twelveboardstore.com.au.
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Why Buy from Twelve Board Store
Twelve Board Store has been riders selling to riders since 2013. We are not a generic retail chain — we are a specialist board sports retailer built around genuine product knowledge, real rider experience and the kind of after-sales support that only comes from a team that actually uses the gear they sell.
Every brand we stock, we ride. Every recommendation we make comes from real experience — on the mountain, in the park, on the street, and on the road. When you call us, you talk to someone who has been on a snowboard at Hotham last weekend or a skateboard in the carpark this morning. That is the difference between buying from Twelve and buying from a warehouse with a website.
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