Helmet Size Guides

Getting the right sized helmet is crucial!

Don't gamble with your safety.

Measure around your head

If you haven't got a flexible measuring tape use a piece of string or shoelace! You want to make sure this measurement is as accurate as possible.

100% Status

Adult Size: Inches, Centimeters
XS: 20 7/8 – 21 1/4in, 53 – 54cm
SM: 21 5/8 – 22in, 55 – 56cm
MD: 22 1/2 – 22 7/8in, 57 – 58cm
LG: 23 1/4 – 23 5/8in, 59 – 60cm
XL: 24 – 24 3/8in, 61 – 62cm
XXL: 24 3/4 – 25 1/4in, 63 – 64cm


Youth Size: Inches, Centimeters
SM: 18 1/2 – 18 7/8in, 47 – 48cm
MD: 19 1/4 – 19 5/8in, 49 – 50cm
LG: 20 1/8 – 20 1/2in, 51 – 52cm

Bell Sanction

SIZE: CM, IN
XS: 48-51cm, 18 7/8" – 20 1/8"
S: 52-54cm, 20 1/2" – 21 1/4"
M: 55-57cm, 21 5/8" – 22 1/2"
L: 58-60cm, 23 1/4" – 24 5/8"

Bell Sanction V2

SIZE: CM, IN
XXS: 48-51cm, 19" – 20 1/8"
XS/S: 51-55cm, 20 1/8" – 21 5/8"
M: 55-57cm, 21 5/8" – 22 1/2"
L: 57-59cm, 22 1/2" – 23 1/4"
XL: 59-61cm, 23 1/4" – 24"

Kenny Downhill

XXS: 51-52cm

XS: 53-54cm

S: 55-56cm

M: 57-58cm

L: 59-60cm

XL: 61-62cm

XXL: 63-64cm

TLD

Troy Lee Designs

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Bell Sanction Matte Red/Black Presences Helmet / Matte Red/Black / M
brand undefined Bell Sanction Matte Red/Black Presence Helmet
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$169.99 AUD
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S-One Lifer Helmet / Silver Mirror / XS Infographic showcasing the interior and sizing guide for the high-impact S-One Lifer Helmet / Silver Mirror. The diagram provides information on foam, a sweat-absorbing liner, and a helmet size chart for a correct fit, with measurements in inches and cm.
S-One Lifer Helmet / Silver Mirror

$99.99 AUD

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$109.99 AUD
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The S-One Helmet Retro Lifer Black Matte/White Checkers features a black shell adorned with a white checkered pattern. This certified helmet comes without a visor and includes black padding, a chin strap, and the "S1" logo on the side, ensuring both style and multi-impact protection. A black S-One Helmet Retro Lifer Black Matte/White Checkers with ventilation holes, an adjustable chin strap, and a white “S1” logo on the side offers high-impact helmet protection.
S-One Helmet Retro Lifer Black Matte/White Checkers

$129.99 AUD

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$139.99 AUD
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. 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.
S-One Helmet Lifer Black Gloss
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$89.99 AUD
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S-One Lifer Helmet / Dark Matte Green / XL An informative diagram displaying the inside structure of an S-One Lifer Helmet / Dark Matte Green with EPS Fusion Foam and a sizing chart for different head circumferences.
S-One Lifer Helmet / Dark Matte Green

$89.99 AUD

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$99.99 AUD
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A S-One Helmet Lifer Black Leopard with a leopard print pattern, featuring a white "S1" logo and an adjustable chin strap. A detailed guide showing the structure, sizing, and safety certifications of the Australian-certified S-One Helmet Lifer Black Leopard. Includes helmet liner and foam descriptions with a sizing chart and instructions on selecting the correct size for this multi-impact helmet.
S-One Helmet Lifer Black Leopard

$99.99 AUD

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$109.99 AUD
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A white S-One Mini Lifer Helmet with the word sz on it, offering certified high impact protection. Chart detailing the S1 Lifer Helmet sizes, including an internal view of the helmet and sizing instructions. Features EPS Fusion Foam, sweat-absorbing liner, and various certification standards. Also available: S-One Mini Lifer Helmet / Gloss White with Certified Multiple Impact Protection for smaller heads.
S-One Mini Lifer Helmet / Gloss White

$89.99 AUD

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$99.99 AUD
A certified S-One Lifer Helmet / Light Grey with the word s1 on it, providing head protection. An infographic detailing features of the S-One Lifer Helmet / Light Grey, including foam protection, sweat-absorbing liner, multiple impact protection, helmet sizing chart, and instructions for measuring head size to pick the correct helmet size. Free sizing kits are also available for a perfect fit.
S-One Lifer Helmet / Light Grey
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$99.99 AUD
The TSG Dawn Flex Helmet Black features a classic full-cut design, air vents, adjustable chin strap, padded interior with FlexTech construction, and is designed for sports safety. The TSG Dawn Flex Helmet Black features a classic full-cut design, multiple ventilation slots, a chin strap, and innovative FlexTech construction, shown from the side on a white background.
TSG Dawn Flex Helmet Black
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$129.99 AUD
A Bell Sanction (1) Visor Bolts set with two bolts, two washers, and a three-pronged piece displayed on a white background.
brand undefined Bell Sanction (1) Visor Bolts
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$14.99 AUD
A Goodstock Certified Helmet / Matte Black, featuring ventilation holes and an adjustable chin strap, is shown against a white background. Designed for high and low impact protection, it also incorporates CoolMax liner tech for added comfort. A Goodstock Certified Helmet / Matte Black, viewed from the top, showcases a sleek black design with multiple ventilation holes and integrated CoolMax liner tech for high and low impact protection.
Goodstock Certified Helmet / Matte Black
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$89.99 AUD
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A black multi-impact helmet with a speckled design, featuring the "S1" logo on the front left side and an adjustable chin strap with a red clip. This S-One Helmet Mini Lifer Black Gloss Glitter is constructed with EPS Fusion Foam for superior protection. A black S-One Helmet Mini Lifer Black Gloss Glitter with a glittery finish, visor holes, and an adjustable black strap. The multi-impact helmet features EPS Fusion Foam and white "S1" branding on the side and on the strap.
S-One Helmet Mini Lifer Black Gloss Glitter

$109.99 AUD

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$119.99 AUD
A certified black and pink S-One Helmet Lifer for head protection, displayed on a white background. A black and pink S-One Helmet Lifer Black Matte/Pink Straps on a white background, ensuring head protection.
S-One Helmet Lifer Black Matte/Pink Straps
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$89.99 AUD
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TLD 23 D3 AS Fiberlite Helmet Slant Grey / Grey/Black / XXL A helmet size chart from Troy Lee Designs, featuring the lightweight composite design of the TLD 23 D3 AS Fiberlite Helmet Slant Grey, displays various models in rows and head circumferences (cm) in columns alongside corresponding size recommendations. Perfect for BMX racers seeking optimal fit and performance.
TLD 23 D3 AS Fiberlite Helmet Slant Grey

$282.99 AUD

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$519.95 AUD
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The S-One Helmet Lifer in Black Matte with Orange Straps showcases vibrant orange straps and ventilation holes on top, designed with Multiple Impact Protection using EPS Fusion Foam for enhanced safety. The S-One Helmet Lifer in Black Matte with Orange Straps showcases ventilation holes and a secure chin buckle, offering optimal head protection.
S-One Helmet Lifer / Black Matte/Orange Straps
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$89.99 AUD
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The 100% Status Youth Helmet Caltec is a full-face motocross helmet that boasts a sleek design with red and black stripes and prominently features the "100%" logo on the side, available in youth sizes. The 100% Status Youth Helmet Caltec, in red and blue for youth sizes, offers a sleek front-view design with mesh padding for comprehensive full-face protection.
brand undefined 100% Status Youth Helmet Caltec
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$199.99 AUD
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The 100% Status Youth Helmet Dreamflow in a black full-face design with white accents and "100%" printed on the side provides unparalleled protection, making it an ideal youth helmet that ensures both safety and style in one sleek package. Front view of the 100% Status Youth Helmet Dreamflow, a black and white full-face motorcycle helmet featuring the text "RIDE 100 PERCENT" at the top. Offering full face protection, this design rivals any top-tier youth helmets on the market.
brand undefined 100% Status Youth Helmet Dreamflow
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$199.99 AUD
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A S-One Helmet Lifer Black Camo for skateboarding protection on a white background. A close up of an S-One Helmet Lifer Black Camo labeled for skateboarding.
S-One Helmet Lifer Black Camo

$89.99 AUD

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$109.99 AUD
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A S-One Helmet Lifer Black Matte/Star for head protection and multiple impact protection. A close up of a S-One Helmet Lifer Black Matte/Star for head protection.
S-One Helmet Lifer Black Matte/Star

$89.99 AUD

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$109.99 AUD
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This Goodstock Certified Helmet / Matte Gunmetal/Bandana features a matte gray finish, adjustable black straps, and cushioning inside. With CoolMax liner tech for comfort, it provides high and low impact protection. Ventilation holes at the top and sides ensure you stay cool during your ride. Gray Goodstock Certified Helmet / Matte Gunmetal/Bandana with an intricate black and white interior design and a chin strap, featuring a label with specifications. This certified skate/bike helmet offers high and low impact protection, along with CoolMax liner tech for added comfort.
Goodstock Certified Helmet / Matte Gunmetal/Bandana
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$89.99 AUD
The TLD D4 AS Carbon W/MIPS Helmet Black / Silver, featuring MIPS Brain Protection System, is shown on a white background. A man is sitting on the ground with a TLD D4 AS Carbon W/MIPS helmet and a bike in front of him.
TLD D4 AS Carbon W/MIPS Helmet Black / Silver
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$1,099.99 AUD
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Protec X Cult BMX Fullcut Helmet / Black / XL
Protec X Cult BMX Fullcut Helmet / Black
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$149.99 AUD
The Bell Sanction 2 DLX MIPS Matte Black is a black bicycle helmet with a matte finish, MIPS technology for safety, and two rectangular vents on top. The Bell Sanction 2 DLX MIPS Matte Black is an affordable, full-face mountain biking helmet featuring a visor and angular design for optimal performance.
Bell Sanction 2 DLX MIPS Matte Black
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$279.99 AUD
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A certified skate/bike helmet, the Goodstock Certified Helmet / Matte Off-White boasts high impact protection with black adjustable straps and ventilation holes for a comfortable fit, ensuring safety while skating or cycling. A Goodstock Certified Helmet / Matte Off-White with multiple ventilation holes, an EPS foam for added safety, a CoolMax liner for moisture control, and a black strap labeled "Globe.
Goodstock Certified Helmet / Matte Off-White
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$89.99 AUD