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Giro Source MIPS Helmet

Giro Source MIPS Helmet
  • Color: Matte Black Fade
  • Color: Matte Chalk
  • Color: Matte Portaro Grey
  • Color: Matte Harbor Blue
  • Color: Matte Metallic Black/Ano Lime
  • Color: Matte Trail Green
Color: Matte Black Fade
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
Matte Black Fade / Medium 768686377303 7129435
Matte Black Fade / Large 768686377310 7129436
Matte Black Fade / X-Large 768686377327 7129437
Matte Chalk / Small 768686377334 7129446
Matte Chalk / Medium 768686377341 7129447
Matte Chalk / Large 768686377358 7129448
Matte Harbor Blue / Medium 768686476846 7140222 SOU2176799M
Matte Metallic Black/Ano Lime / Small 768686476778 7140213 SOU20736322S
Matte Metallic Black/Ano Lime / Medium 768686476785 7140214 SOU20696524M
Matte Metallic Black/Ano Lime / Large 768686476792 7140215 SOU20737890L
Matte Portaro Grey / Small 768686377365 7129455
Matte Portaro Grey / Medium 768686377372 7129456
Matte Portaro Grey / Large 768686377389 7129457
Matte Trail Green / Small 768686476808 7140217 SOU22987715S
Matte Trail Green / Medium 768686476815 7140218 SOU22955723M