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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 Trim Blue
  • Color: Matte Trim Red
  • Color: Matte Warm Black
  • Color: Matte Trail Green
$59.00 - $129.95
Please select options


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 99008568MAT-BLACK-FADESM-51-55CM
Matte Black Fade / X-Large 768686377327 7129437 99008568MAT-BLACK-FADEXL-61-65CM
Matte Chalk / Large 768686377358 7129448 99008568MATTE-CHLKLRG-59-63CM
Matte Trim Blue / Medium 768686411878 7133703 9998993MAT-TRM-BLUEMED-55-59CM
Matte Trim Red / Small 768686377396 7129464 9998993MATTE-TRM-REDSM-51-55CM
Matte Trim Red / Medium 768686377402 7129465 9998993MATTE-TRM-REDMED-55-59CM
Matte Trim Red / Large 768686377419 7129466 9998993MATTE-TRM-REDLRG-59-63CM
Matte Warm Black / Medium 768686377433 7129474 9998993MAT-WARM-BLACKMED-55-59CM