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Giro Ratio MIPS Helmet

Giro Ratio MIPS Helmet
  • Color: Matte Titanium
  • Color: Matte Black
  • Color: Matte Bright Green
  • Color: Matte Midnight
  • Color: Matte Ox Red
Please select options


The Ratio MIPS helmet has the perfect ratio of everything you need to accompany you on the mountain, from its thermostat control adjustable venting to its MIPS technology to its laid-back style.

The Ratio is a no-nonsense helmet that boasts the features found on premium helmets at a more accessible price.

Beneath the sleek silhouette, you'll find the adjustability of an In Form fit system, Thermostat Control adjustable venting and compatibility with aftermarket audio systems by Outdoor Tech. The Ratio is also available with MIPS - which can offer more protection in certain impacts by redirecting impact energy.

- Hard Shell Construction
- Thermostat Control
- Stack Vent Technology
- Vertical Tuning
- In Form Fit System
- Electronics Compatibility: Compatible With Aftermarket Giro Audio Systems By Outdoor Tech
- Certification: CE EN1077
- Small = 52 – 55.5cm
- Medium = 55.5 – 59cm
- Large = 59 – 62.5cm
- X-Large = 62.5 – 65cm

Part Numbers

Option UPC MPN Store SKU
Matte Titanium / X-Large 768686051142 7082614 210000017157
Matte Black / X-Large 768686051029 7082602 210000017150
Matte Bright Green / Large 768686332371 7119079 210000017162
Matte Ox Red / Medium 768686332395 7119081 210000017163
Matte Ox Red / Large 768686332401 7119082 210000017164