GIRO Ratio MIPS Mens Ski Helmet

Perfect Ratio of Everything

The brand new re-desined 2020 Giro Ratio™is a helmet that boasts many of the features found on Giro’s premium helmets, yet at a more accessible price. Beneath the sleek silhouette, you’ll fnd the adjustability of an In Form ft system, Thermostat Control Adjustable Venting and compatibility with aftermarket audio systems by Outdoor Tech. Ratio is also equipped with MIPS technology—which can offer more protection in certain impacts by redirecting impact energy.  

As low as AU$179.95
or 4 interest-free payments of $44.99
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GIRO Ratio MIPS Mens Ski Helmet 2020

GIRO Ratio MIPS Snow Helmet features:


  • MIPS — Multi-Directional Impact Protection System
  • Hard Shell Construction

Fit System

  • In Form Fit System
  • Vertical Tuning


  • Thermostat Control adjustable venting
  • Stack ventilation


  • Compatible with aftermarket Giro audio systems by Outdoor Tech
  • Seamless Compatibility with all Giro goggles


  • CE EN1077


  • S 52 - 55.5cm
  • M 55.5 - 59cm
  • L 59 - 62.5cm
  • XL 62.5 - 65cm

Giro Helmet Size Chart Guide

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