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Giro Source MIPS Helmet

Giro Source MIPS Helmet
  • Color: Matte Black Fade
  • Color: Matte Chalk
  • Color: Matte Harbor Blue
  • Color: Matte Portaro Grey
  • Color: Matte Metallic Black/Ano Lime
  • Color: Matte Trail Green
  • Color: Matte Trim Blue
$169.99 - $199.99
Size: Select size
Please select options Unavailable


The Source MIPS helmet combines advanced performance and protection in a rugged, trail-ready design. Featuring deep coverage with aggressive ventilation from 16 vents coupled with deep internal channeling, it helps keep things cool even when the riding gets rowdy. And with the comfort and secure feel of the Roc Loc 5 fit system with Integrated MIPS brain protection, plus a moto-style adjustable screw-in visor and full lower Hardbody durability, you get a helmet that's capably equipped for fun and adventure.

- Integrated MIPS (Multi-Directional Impact Protection System)—allows you to customize fit/feel for great stability and long-range comfort while providing an added measure of protection from rotational forces in the event of an angled impact

- In-Mold polycarbonate shell and EPS liner
- Polycarbonate Hardbody lower shell

- Adjustable moto-style screw-in visor

Interior/liner type:
- Coolfit anti-microbial padding

Ventilation type:
- 16 Wind Tunnel Vents with internal channeling

Fit system:
- Roc Loc 5

Impact liner type:
- EPS foam liner

Product weight:
- 340g (size Medium)

Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older


Adult Super Fit SizeCircumference
Small 51 - 55 cm
Medium 55 - 59 cm
Large 59 - 63 cm
X-Large 61 - 65 cm

Note: We recommend you try helmets on before buying. Make sure the helmet fits with a little room when the fit system is loose, and sits low enough to protect your forehead without hindering your vision. Once you’ve got the right size, you can adjust the fit.

Part Numbers

Option UPC MPN Store SKU
Matte Black Fade / Small 768686377297 7129434 SOU2115533S
Matte Black Fade / Medium 768686377303 7129435 SOU21712286M
Matte Black Fade / Large 768686377310 7129436 SOU21282412L
Matte Black Fade / X-Large 768686377327 7129437
Matte Chalk / Small 768686377334 7129446
Matte Chalk / Medium 768686377341 7129447
Matte Chalk / Large 768686377358 7129448 SOU19944816L
Matte Harbor Blue / Small 768686476839 7140221 SOU21620131S
Matte Harbor Blue / Medium 768686476846 7140222 SOU213440M
Matte Harbor Blue / Large 768686476853 7140223 SOU21965585L
Matte Metallic Black/Ano Lime / Small 768686476778 7140213 SOU20957582S
Matte Metallic Black/Ano Lime / Medium 768686476785 7140214 SOU20260353M
Matte Metallic Black/Ano Lime / Large 768686476792 7140215 SOU20533369L
Matte Portaro Grey / Small 768686377365 7129455 SOU22777441S
Matte Portaro Grey / Medium 768686377372 7129456 SOU22306496M
Matte Portaro Grey / Large 768686377389 7129457 SOU22757489L
Matte Trail Green / Small 768686476808 7140217 SOU22953205S
Matte Trail Green / Medium 768686476815 7140218 SOU2268600M
Matte Trim Blue / Small 768686411861 7133702