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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A shiny yellow S-One Helmet Mini Lifer Gold Gloss Glitter with ventilation holes, black straps, and an adjustable buckle. Made with EPS Fusion Foam for superior protection, the helmet features a logo with the letter 'S' and the number '1' on one side. A yellow, glittery, hard-shell helmet with black adjustable straps and multiple ventilation holes. The S-One Helmet Mini Lifer Gold Gloss Glitter has "S1" printed on the side and features EPS Fusion Foam for enhanced protection as a multi-impact helmet.
S-One Helmet Mini Lifer Gold Gloss Glitter

$109.99 AUD

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$119.99 AUD
The S-One Helmet Mini Lifer Purple Matte is a purple protective helmet with ventilation holes, chin straps, and the "S1" logo on the side. It features EPS Fusion Foam for enhanced safety, making it a reliable multi-impact helmet. Image displaying the features of the S1 Lifer Helmet, including detailed information about its EPS Fusion Foam, sweat-absorbing liners, sizing guidelines, and a helmet size chart based on head circumference. Additionally, check out the S-One Helmet Mini Lifer Purple Matte for a compact option with the same top-notch protection.
S-One Helmet Mini Lifer Purple Matte
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$89.99 AUD
Bright pink S-One Helmet Mini Lifer Hot Pink Gloss with multiple ventilation holes and an adjustable black strap. The helmet features the "S1" logo on the front and EPS Fusion Foam for added protection. The S-One Helmet Mini Lifer Hot Pink Gloss is a bright pink helmet with black vent holes and an adjustable black chin strap. It features the logo "S1" on the side and incorporates EPS Fusion Foam for superior protection.
S-One Helmet Mini Lifer Hot Pink Gloss
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$89.99 AUD
A S-One Helmet Mini Lifer Cyan Matte featuring multiple ventilation holes, adjustable straps, and black interior padding with EPS Fusion Foam for enhanced protection. A S-One Helmet Mini Lifer Cyan Matte featuring black straps, a red clasp, and advanced EPS Fusion Foam for superior protection.
S-One Helmet Mini Lifer Cyan Matte
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$89.99 AUD
A S-One Helmet Mega Lifer Dark Grey Matte with ventilation holes, adjustable chin straps, and a white "S1" logo on the side offers high-impact protection. A dark grey matte S-One Helmet Mega Lifer with ventilation holes, an adjustable chin strap, and the brand logo on the side.
S-One Helmet Mega Lifer Dark Grey Matte
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$109.99 AUD
A black S-One Helmet Mega Lifer Black Matte with ventilation holes, adjustable straps, and a white "S1" logo on the front left side. This high-impact helmet also includes free sizing kits for the perfect fit. A **S-One Helmet Mega Lifer Black Matte** branded skate helmet features multiple ventilation holes, an adjustable chin strap, and high-impact protection.
S-One Helmet Mega Lifer Black Matte
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$109.99 AUD
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A silver multi-impact helmet with a glittery finish, featuring ventilation holes, soft interior padding, and an adjustable chin strap. The S-One Helmet Retro Lifer Silver Gloss Glitter boasts high-impact protection and a stylish "S1" logo on the side. The S-One Helmet Retro Lifer Silver Gloss Glitter is a silver glittery helmet with black trim, ventilation holes, and a chin strap. This multi-impact helmet features the "S1" logo on the side and is designed for high-impact protection.
S-One Helmet Retro Lifer Silver Gloss Glitter

$159.99 AUD

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$164.99 AUD
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A S-One Helmet Retro Lifer Gold Gloss Glitter with ventilation holes, a black interior, and a chin strap, adorned with a black logo on the side. This multi-impact certified helmet features EPS Fusion Foam for superior protection and comfort. The S-One Helmet Retro Lifer Gold Gloss Glitter features black trim, ventilated holes, an adjustable chin strap, and the "S1" logo on the front. With EPS Fusion Foam for optimal protection, this multi-impact certified helmet ensures safety and style in one sleek package.
S-One Helmet Retro Lifer Gold Gloss Glitter

$159.99 AUD

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$164.99 AUD
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The S-One Helmet Retro Lifer Black Gloss Glitter is a black BMX helmet with a sparkling glitter finish, foam padding inside, ventilation holes on the front, and an adjustable chin strap. This multi-impact helmet ensures safety and style for all your journeys. The S-One Helmet Retro Lifer Black Gloss Glitter features ventilation holes and a padded interior. Front view.
S-One Helmet Retro Lifer Black Gloss Glitter

$159.99 AUD

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$164.99 AUD
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The S-One Helmet Retro Lifer White Gloss/Black Checkers features a black and white checkered stripe down the middle and the number "51" on the side. This high-impact helmet includes interior padding and a black chin strap for added comfort and safety. A white S-One Helmet Retro Lifer White Gloss/Black Checkers with the black "S1" logo, multiple ventilation holes, and an adjustable black chin strap. This Australian-certified helmet offers superior protection as a high-impact multi-impact helmet.
S-One Helmet Retro Lifer White Gloss/Black Checkers

$129.99 AUD

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$139.99 AUD
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A red speckled S-One Helmet Lifer Red Glitter with a black interior, ventilation holes, and adjustable black straps. The helmet features an "S1" logo on the side and is designed to be a high-impact helmet for ultimate protection. A S-One Helmet Lifer Red Glitter with black straps and the logo "S1" on the side, designed for safety in sports activities.
S-One Helmet Lifer Red Glitter

$109.99 AUD

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$119.99 AUD
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The yellow glittery S-One Helmet Lifer Gold Glitter features black straps, ventilation holes, and an "S1" logo. This multi-impact helmet includes an adjustable chin strap for added security. A gold-colored skate helmet with black straps, featuring the "S1" logo on the side. This high-impact S-One Helmet Lifer Gold Glitter ensures both style and safety for every rider.
S-One Helmet Lifer Gold Glitter

$109.99 AUD

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$119.99 AUD
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A S-One Helmet Lifer Cyan Matte with ventilation holes, adjustable black chin straps, and "S1" branding on the side. This Australian-certified helmet comes with free sizing kits to ensure the perfect fit. Image of a blue S-One Helmet Lifer Cyan Matte with multiple ventilation holes and a black adjustable strap featuring the S1 logo.
S-One Helmet Lifer Cyan Matte
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$89.99 AUD
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A pink and purple gradient S-One Helmet Lifer Cotton Candy with a white "S1" logo, featuring air vents and an adjustable black chin strap. This multi-impact helmet combines style and safety for any skateboarding adventure. A detailed infographic on the S-One Helmet Lifer Cotton Candy, outlining its EPS Fusion Foam and sizing options. It includes helmet size measurements, sweat-absorbing liner features, and standards certifications for this high-impact helmet.
S-One Helmet Lifer Cotton Candy

$109.99 AUD

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$119.99 AUD
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The black S-One Helmet Lifer Black Matte/White Checkers features a white checkerboard stripe, "S1" logo on the side, adjustable straps, and is designed as a multi-impact helmet. Plus, it comes with free sizing kits for the perfect fit. A S-One Helmet Lifer Black Matte/White Checkers featuring a checkered pattern on the side and the "S1" logo in white. This multi-impact helmet includes attached straps for securing under the chin and comes with free sizing kits.
S-One Helmet Lifer Black Matte/White Checkers

$99.99 AUD

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$104.99 AUD
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Six rectangular black Velcro strips, part of the S-One Lifer Velcro Kit installation, are arranged in two rows of three on a white background.
S-One Lifer Velcro Kit

$6.99 AUD

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$7.26 AUD
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A strip of black circular Velcro dots on a white adhesive backing, perfect for your S-One Lifer (12 Pack) Velcro Kit Round Dots or to replace old Velcro on your S1 Lifer helmet. The inside of a bicycle helmet displaying texture, ventilation holes, label 'FRONT', size 'L', and safety certification stickers, equipped with a handy S-One Lifer (12 Pack) Velcro Kit Round Dots for easy adjustments.
S-One Lifer (12 Pack) Velcro Kit Round Dots

$6.99 AUD

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$7.26 AUD
The Bell Sanction 2 DLX MIPS Caiden Black/White is a lightweight helmet with a colorful pattern featuring blue and yellow kites, black and white checkered designs, and the words "SEND MODE" at the bottom. Equipped with MIPS technology, it ensures optimal protection while maintaining style. A Bell Sanction 2 DLX MIPS Caiden Black/White helmet with a black and white checkered pattern and various colorful graphic designs, including crowns, swirls, and lightning bolts. This lightweight helmet incorporates MIPS technology for enhanced protection.
brand undefined Bell Sanction 2 DLX MIPS Caiden Black/White
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$329.99 AUD
A black, white, and red full-face bike helmet with a visor, featuring ventilation slits and the brand logo "Bell" on the side. This Bell Sanction 2 DLX MIPS Deft Matte Black incorporates MIPS Technology for advanced protection while remaining a lightweight helmet ideal for both amateur and professional riders. A black, white, and red Bell Sanction 2 DLX MIPS Deft Matte Black is displayed, showcasing its aerodynamic design, visor, ventilation, and protective padding. The brand name "Bell" is visible on the lightweight helmet.
Bell Sanction 2 DLX MIPS Deft Matte Black
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$299.99 AUD
Side view of a Bell Sanction 2 Matte Dark Grey helmet, an entry-level full-face mountain biking helmet featuring angular air vents and a visor for optimized airflow. The Bell Sanction 2 Matte Dark Grey helmet is a dark green, full-face helmet with a visor, designed for off-road or motocross use. With optimal airflow from its ventilation openings and a padded interior for safety and comfort, it’s an excellent entry-level helmet.
brand undefined Bell Sanction 2 Matte Dark Grey
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$199.99 AUD
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A TLD D4 Carbon AS Helmet W/MIPS Inferno Grey with a red, blue, and yellow design. A TLD D4 Carbon AS Helmet W/MIPS Inferno Grey with a red, blue, and black design.
TLD D4 Carbon AS Helmet W/MIPS Inferno Grey
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$1,099.99 AUD
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A TLD D4 Carbon AS Helmet W/MIPS SRAM Red / Black, featuring the MIPS Brain Protection System. A TLD D4 Carbon AS Helmet W/MIPS SRAM Red / Black with a checkered design on it.
TLD D4 Carbon AS Helmet W/MIPS SRAM Red / Black
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$1,099.99 AUD
A TLD D4 Carbon AS Helmet W/MIPS Ever Black / Gold with a white background. A TLD D4 Carbon AS Helmet W/MIPS Ever Black / Gold motorcycle helmet with a white background.
TLD D4 Carbon AS Helmet W/MIPS Ever Black / Gold
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$1,099.99 AUD
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A TLD D4 Carbon AS Helmet W/MIPS Omega Black / Yellow with a yellow and black design. A TLD D4 Carbon AS helmet with a black and yellow design.
TLD D4 Carbon AS Helmet W/MIPS Omega Black / Yellow
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$1,099.99 AUD