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Giro Trig MIPS Helmet

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Thermostat Control Adjustable Venting allows for perfect airflow whether ascending or descending, and the Stack Ventilation keeps your goggles fog free no matter what your energy output. Meanwhile, its fit can be customized at the turn of a dial via the In Form Fit System and the Multi-Directional Impact Protection System may offer more protection in angled impacts. All this tech business is shielded in a progressive brimmed design guaranteeing Seamless Compatibility with Giro goggles.  
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Orders are dispatched from our Cooma NSW store Mon - Fri

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Rhythm Snowsports Cooma

Rhythm Snowsports, 8 Sharp Street, Cooma NSW 2630

Summer Opening Hours

Retail & Hire

9am - 4pm daily

Service Station

7 am - 7pm (Midnight on Friday)

Winter Opening Hours

Open 24 hours (Subject to demand)

Rhythm Pop-Up Shop

132 Sharp St, Cooma NSW 2630

Summer Opening Hours

Mon - Fri

9am - 4pm daily

Saturday

9 am - 1pm

Sun

Closed

Winter Opening Hours

Mon - Fri

9am - 4pm daily

Saturday

9 am - 1pm

Sun

Closed

Rhythm Smiggins

16 Link Road, Smiggin Holes, Perisher Valley 2624

Summer Opening Hours

Closed for summer

Winter Opening Hours

Retail & Hire

7.30am - 5.30pm daily

June Long Weekend to September

Sale

Giro Trig MIPS Helmet

This product arrives .
Pre-order now to secure yours.

${variantStockMap[currentVariant.id]?.qty} in stock Out of stock
Thermostat Control Adjustable Venting allows for perfect airflow whether ascending or descending, and the Stack Ventilation keeps your goggles fog free no matter what your energy output. Meanwhile, its fit can be customized at the turn of a dial via the In Form Fit System and the Multi-Directional Impact Protection System may offer more protection in angled impacts. All this tech business is shielded in a progressive brimmed design guaranteeing Seamless Compatibility with Giro goggles.  
Read more

Rhythm Membership

Save 10% on full priced & rental equipment*

Join Member for Free.

Easy Returns

14 days for refund or 365 for exchange!
Our Return Policy.

Fast Dispatch

Order by 1pm and we ship that business day.
Our Shipping Policy.

Product Details

Helmet Type

Snow helmet

Target Gender

Unisex. This product is designed without a gender fit in mind.

Construction
Diagram of MIPS (Multi-Directional Impact Protection System) in a snow helmet, showing the yellow low-friction layer that allows multidirectional movement to reduce rotational forces on the head.
Features

Adjustable Ventilation System |

Dial-Fit System |

Removable ear pads |

Sizing

Sizing

How to Measure Your Head Size

Grab a soft measuring tape and wrap it around the widest part of your head (just above your ears, across your temples, and about 2–3 cm above your eyebrows). Note the measurement in centimetres, then compare it with the size chart below to find your best fit.

These measurements are designed to guide you towards the size that’s most likely to work best. Every brand shapes their helmets a little differently, so some will naturally feel more snug or relaxed than others. If you’re between sizes or unsure, we recommend trying the helmet on with your goggles or helmet in-store, or checking our easy returns policy to swap if needed.

Video

Buying Guide

Intro

Finding the right helmet is easier when you know what to look for. Use this guide as a starting point to learn about sizing, safety features, and design details that will help you choose with confidence.

Size & Fit

Finding the right helmet size is one of the most important steps to making sure it feels safe and comfortable. A helmet that’s too loose can move around in a fall, while one that’s too tight will feel distracting and uncomfortable.


To measure correctly, take a soft tape measure and wrap it around the widest part of your head (just above your eyebrows and ears), then compare that number in centimetres with the size chart of the helmet you’re looking at. The chart will point you towards the size that’s most likely to fit. Remember that every brand shapes its helmets slightly differently, which means two helmets with the same size label might feel different once you put them on.


If your measurement sits between two sizes or you’re unsure, the best approach is to try the helmet on—ideally with your goggles—so you can check how everything feels together. And if you’re shopping online, remember that our returns and exchanges make it easy to adjust if your first choice doesn’t feel right

Safety Technology

Modern helmets often include extra technologies designed to reduce the risk of injury in certain types of impacts. Protections like MIPS, Koroyd or WaveCel add another layer of protection beyond the standard shell.

Not every helmet has these features, but all of them meet strict safety certifications to ensure they’re up to the task. The key is finding the balance between comfort, fit, and the level of protection you feel confident with.

Comfort Features

The right features can make a helmet more comfortable and practical. Adjustable vents help you stay cool or warm depending on the weather, while systems like BOA or dial-fit adjusters give you a precise fit. Quick-release magnetic buckles, audio-compatible ear pads, removable pads, and goggle clips are small details that make a big difference on the mountain.

Looking for something specific? Our filters let you sort by features so you can spot the right helmet faster

Final Check

Before you peel off the tag, put your helmet on with your goggles and make sure they sit together smoothly (no gaps, no pinching, no awkward pressure points). Getting that perfect fit between helmet and goggles means more comfort, better warmth, and fewer fogging issues on the mountain. If it doesn’t feel right, don’t worry, you can easily exchange it before hitting the slopes.

Reviews

Giro was founded over 30 years ago by a man passionate about design and solving unmet needs. This drive led Giro to create its own products, growing into a company dedicated to supporting riders with personal expression and high-performance gear.
Shop all Giro

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