![The black S-One Helmet Lifer Black Gloss with ventilation holes and adjustable chin straps features a white "S1" logo on the side, making it a high-impact helmet that's also Australian-certified.](http://www.luxbmx.com/cdn/shop/files/sonhel.lif.blk.00.jpg?v=1718701776&width=500)
![The Australian-certified S-One Helmet Lifer Black Gloss is a black protective headgear featuring ventilation holes and an adjustable chin strap. It sports a white "S1" logo on the front left, ensuring both safety and style.](http://www.luxbmx.com/cdn/shop/files/sonhel.lif.blk.00_866fbec3-85e0-4cd4-95b3-1f7ad9fd5a80.jpg?v=1721377460&width=1242)
![A S-One Helmet Lifer Black Gloss with a smooth finish and a chin strap is depicted. Multiple ventilation holes are visible on the top and sides of this multi-impact, Australian-certified helmet.](http://www.luxbmx.com/cdn/shop/files/sonhel.lif.blk.00_e2791ae3-58b6-4df3-a758-1f9679957426.jpg?v=1718701783&width=500)
![Diagram displaying the features, sizing, and specifications of the Australian-certified S-One Helmet Lifer Black Gloss, including EPS Fusion Foam, sweat-absorbing liner sizes, a guide for choosing the correct helmet size, and free sizing kits.](http://www.luxbmx.com/cdn/shop/files/LIFERSIZECHART_59cc3254-2e70-4255-a597-e6d164396ff3.jpg?v=1721377463&width=700)
![Chart detailing different sizes and liner colors of the S-One Helmet Lifer Black Gloss, including Mini, Lifer, and Mega models. It shows helmet views, adjustable sizing options, and corresponding liner colors for each size of this multi-impact helmet.](http://www.luxbmx.com/cdn/shop/files/LIFERSELECTION_192153f0-59d4-4bf3-9753-936913e17adc.jpg?v=1721377465&width=700)
S-One Helmet Lifer Black Gloss
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View All![The black S-One Helmet Lifer Black Gloss with ventilation holes and adjustable chin straps features a white "S1" logo on the side, making it a high-impact helmet that's also Australian-certified.](http://www.luxbmx.com/cdn/shop/files/sonhel.lif.blk.00.jpg?v=1718701776&width=150)
S-One Helmet Lifer Black Gloss / Gloss Black / XS
![](http://www.luxbmx.com/cdn/shop/files/luxbmx_1500x.gif?v=7713209417035928516)
S-One Helmet Lifer Black Gloss / Gloss Black / S
![](http://www.luxbmx.com/cdn/shop/files/luxbmx_1500x.gif?v=7713209417035928516)
S-One Helmet Lifer Black Gloss / Gloss Black / M
![](http://www.luxbmx.com/cdn/shop/files/luxbmx_1500x.gif?v=7713209417035928516)
S-One Helmet Lifer Black Gloss / Gloss Black / L
![](http://www.luxbmx.com/cdn/shop/files/luxbmx_1500x.gif?v=7713209417035928516)
S-One Helmet Lifer Black Gloss / Gloss Black / XL
![](http://www.luxbmx.com/cdn/shop/files/luxbmx_1500x.gif?v=7713209417035928516)
S-One Helmet Lifer Black Gloss / Gloss Black / XXL
![](http://www.luxbmx.com/cdn/shop/files/luxbmx_1500x.gif?v=7713209417035928516)
S-One Helmet Lifer Black Gloss / Gloss Black / XXXL
Description
Now 2 FREE SIZING KITS with ANY S-One Helmet purchase! You'll never have to guess a size again, making them the perfect hassle-free helmet option!
Just add your helmet to your cart and the free offer will pop up for you in the cart!
We recommend checking the sizing below / off S-One's top notch sizing chart, then selecting the sizing kits above and below the helmet you're ordereing.
Check out the liners here: S-One Helmet Liner Kits
Sizing:
S: 53.5cm (21"")
M: 54.5cm (21.5"")
L: 56cm (22"")
XL: 57.5cm(22.5"")
XXL: 58.5cm (23"")
XXXL: 59.5cm (23.5"")
How to measure:
Use a soft tape measure to measure the circumference (around) of your head and an inch (2.54cm) above your eyebrows. Keep the tape level front to back. If you don't have a measuring tape, use a piece of string or shoelace, then lay it out on a table and measure it with a ruler.
Features:
- Multiple and high-impact EPS Fusion foam
- Deep Design
- Sweat absorbing liner
- Lightweight construction
- High impact ABS outer shell