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 certified S-One Helmet Retro Lifer White Gloss on a white background. A certified S-One Helmet Retro Lifer White Gloss with the word s1 on it, designed for enhanced protection.
S-One Helmet Retro Lifer White Gloss

$119.99 AUD

 From

$134.99 AUD
Save $10.00
S-One Mini Lifer Helmet / Matte Bright Green / XXL Our helmet sizing guide showcases size charts for selecting S1 Lifer helmets, including the S-One Mini Lifer Helmet / Matte Bright Green, based on head circumference in inches and centimeters. It also features information on EPS Fusion Foam and sweat-absorbing liners for optimal comfort and protection.
S-One Mini Lifer Helmet / Matte Bright Green

$89.99 AUD

 From

$99.99 AUD
S-One Lifer Helmet Star Liner / 2mm Deep
S-One Lifer Helmet Star Liner
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$7.99 AUD
S-One Lifer Helmet / Matte Maroon / XL Diagram showing the features of an S-One Lifer Helmet / Matte Maroon, including EPS Fusion Foam, sweat-absorbing sizing liners, and a size guide. The S-One Lifer Helmet / Matte Maroon is multi-impact certified and meets CPSC, ASTM, and EN 1078 standards for impact protection.
S-One Lifer Helmet / Matte Maroon
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$89.99 AUD
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Protec Old School Certified Helmet / Gloss White / XXXS
Protec Old School Certified Helmet -/Gloss White

$99.99 AUD

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$119.99 AUD
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Protec Classic Certified Helmet / Matte Bright Red / XXS
Protec Classic Certified Helmet - Matte Bright Red
From

$89.99 AUD
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The TSG Evolution Helmet in Satin Black features hardshell construction, ventilation holes, an adjustable chin strap, Tuned Fit System, and side logo. The TSG Evolution Helmet in satin black features a hardshell design for biking or skating, high-impact protection, multiple air vents, and an adjustable chin strap, shown in side profile.
TSG Evolution Helmet / Satin Black
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$99.99 AUD
TSG Meta Helmet Satin Black with lightweight in-mold construction, ventilation holes, adjustable straps, buckle, and Dial Fit System, displayed on a plain white background. The TSG Meta Helmet Satin Black features ventilation holes, lightweight in-mold construction, and an adjustable chin strap, shown from the left side.
TSG Meta Helmet Satin Black
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$129.99 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 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
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A Bell Full-10 SPHR MIPS Matte Black full-face motorcycle helmet with a visor and checkered pattern design, featuring advanced helmet safety technology. A Bell Full-10 SPHR MIPS Matte Black, full-face motocross helmet with a visor and ventilation openings, featuring a sleek design with subtle pattern detailing and advanced helmet safety technology.
brand undefined Bell Full-10 SPHR MIPS Matte Black
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$1,094.99 AUD
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TLD D3 AS Fiberlite Helmet / Spiderstripe Black / XXL
TLD D3 AS Fiberlite Helmet / Spiderstripe Black

$389.99 AUD

 From

$519.95 AUD
The S-One Helmet Lifer features a matte green finish with vent holes, a black foam interior, adjustable chin strap, and a white "S1" logo, delivering certified multi-impact protection for skaters. The S-One Helmet Lifer, shown in matte gray with black adjustable chin strap and ventilation holes, offers certified multi-impact protection for reliable skating safety. Side profile view displayed.
S-One Helmet Lifer
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$89.99 AUD
The S-One Helmet Lifer Blood Red Matte features ventilation holes, an adjustable black chin strap, and the "S1" logo. This Australian-certified helmet provides reliable high-impact protection for skateboarders. The S-One Helmet Lifer Blood Red Matte features ventilation holes, black adjustable straps, and the "S1" logo. Australian-certified, it combines style and high-impact protection—ideal for every skateboarder.
S-One Helmet Lifer Blood Red Matte
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$89.99 AUD
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S-One Helmet Lifer LA Blue Gloss, featuring ventilation holes and an adjustable black chin strap, is shown against a white background. This certified skate helmet provides multi-impact protection for safety and comfort. The S-One Helmet Lifer LA Blue Gloss features two front ventilation holes, black interior padding, multi-impact protection, and an adjustable chin strap.
S-One Helmet Lifer LA Blue Gloss
From

$89.99 AUD
A pair of black TLD D4 Cheekpads with a contoured design are displayed side by side on a white background—perfect replacement pads for your helmet gear.
TLD D4 Cheekpads
From

$59.99 AUD
Save $60.00
The TLD 25.2 D4 Carbon Helmet MIPS Lowrider Blue features striking geometric graphics, “Troy Lee Designs” branding on the visor and side, and advanced Mips protection—ideal for mountain biking. The TLD 25.2 D4 Carbon Helmet MIPS Lowrider Blue features bold geometric patterns, Troy Lee Designs branding, and advanced Mips protection—ideal for motocross or mountain biking adventures.
TLD 25.2 D4 CARBON HELMET MIPS LOWRIDER BLUE

$1,099.99 AUD

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$1,159.99 AUD
The TSG Evolution Helmet in Special Clear White features red adjustable straps, a black buckle, a small front-left logo, and enhanced protection with the Tuned Fit System. The TSG Evolution Helmet / Special Clear White is a white hardshell helmet with red adjustable chin straps and black buckle, displayed in side profile on a plain white background.
TSG Evolution Helmet / Special Clear White
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$129.99 AUD
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The TSG Evolution Helmet / Goldbeck Protest features black graffiti-style text and graphics, hardshell construction for high-impact protection, black adjustable chin straps, a fit system, and foam interior padding. The TSG Evolution Helmet / Goldbeck Protest is a white slim hardshell helmet with black graphic text reading "POWER," "CORRUPTION," and "GREED," plus images. It offers high-impact protection and a black adjustable strap for comfort.
TSG Evolution Helmet / Goldbeck Protest
From

$99.99 AUD
The TSG Dawn Flex Full Cut Helmet in white features black interior padding, a red adjustable chin strap, ventilation slots, soft-fit comfort for a secure feel, ear protection, and the TSG logo on the front. TSG Dawn Flex Full Cut Helmet in white, featuring ventilation holes and a red adjustable chin strap for soft-fit comfort, displayed in side profile against a plain background.
TSG Dawn Flex Full Cut Helmet / White
From

$129.99 AUD
The TSG Prevention Helmet Satin Black features a visor, advanced ventilation system with side vents, and an adjustable chin strap, shown against a white background. The TSG Prevention Helmet Satin Black features a matte finish, visor, angular vents, side cutout, adjustable chin strap, “Technical Safety Gear” text on the side, and a ventilation system ideal for BMX riders.
TSG Prevention Helmet Satin Black
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$249.99 AUD
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The PROTEC - JR CLASSIC FIT CERTIFIED helmet is black with ventilation holes, gray EPS foam padding for a custom fit, and red adjustable chin straps with a black buckle, shown against a white background. A black PROTEC - JR CLASSIC FIT CERTIFIED helmet features ventilation holes, red adjustable chin straps, and EPS foam padding for a custom fit, displayed against a white background.
PROTEC - JR CLASSIC FIT CERTIFIED
From

$129.99 AUD
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The Bell Sanction 2 DLX MIPS helmet, in matte blue and teal with "BELL" branding, features a visor and black interior. It's an affordable, lightweight full-face design perfect for those seeking style without compromising safety. The Bell Sanction 2 DLX MIPS Matte Blue helmet, viewed from the front against a white background, showcases a geometric design in blue and teal. This lightweight and affordable helmet merges style with MIPS technology for advanced safety.
Bell Sanction 2 DLX MIPS Matte Blue
From

$279.99 AUD
The TLD D4 Polyacrylite Helmet (MIPS) in Shadow Black features a polyacrylite shell, white and red graphics, a visor, and full-face coverage. Check out the Troy Lee Designs size chart for the TLD D4 Polyacrylite Helmet (MIPS) in Shadow Black. Offering sizes XS to 3XL, these full-face helmets, featuring a Polyacrylite shell and Mips® C2 brain protection, are ideal for bike and motocross enthusiasts seeking excellent safety.
TLD D4 Polyacrylite Helmet (MIPS) / Shadow Black
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$589.99 AUD