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10 models to compare

Need adjustable vents on a ski helmet with In Form fit?

Giro’s Avera Mips weighs 410 g in M; Ceva weighs 590 g in Medium. Both use In Form adjustment and Thermostat Control ventilation. Your chosen size changes helmet fit.

Use correct size and goggle fit. Ventilation and weight are not safety ratings.

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With no preferences selected: Avera Mips Helmet is one option to compare.

No hands-on testingMethod and sources

Avera Mips Helmet · first with a product link

  • Maker weight: 410 g.
  • Weight sample size: M.
What to note:

Certification as listed: CE EN1077.

View at Giro

If you choose Up to 400 g for maker weight, the first option with a product link becomes Grid Spherical Helmet.

10 models compared; 10 have a product-page link.

The picks

5 options to compare

Compare the details that matter to your setup.

An option to compare

Avera Mips Helmet

Maker weight: 410 g.

Key details

  • Weight sample size: M.

What to note

Certification as listed: CE EN1077.

Maker weight: 410 gWeight sample size: MFit system: In Form
See all 5 specs
Maker weight410 g
Weight sample sizeM
Fit systemIn Form
VentilationThermostat Control
Certification as listedCE EN1077

5 of 5 specs available · source checked September 26, 2026 · Source ↗
Giro · Product page checked September 26, 2026

View at Giro
Maker weight: Up to 400 g

Grid Spherical Helmet

Ventilation: Thermostat Control.

Key details

  • Certification as listed: CE EN1077.

What to note

Fit system: In Form 2.

Maker weight: 400 gWeight sample size: MFit system: In Form 2
See all 5 specs
Maker weight400 g
Weight sample sizeM
Fit systemIn Form 2
VentilationThermostat Control
Certification as listedCE EN1077

5 of 5 specs available · source checked September 26, 2026 · Source ↗
Giro · Product page checked September 26, 2026

View at Giro
Ventilation: Passive Aggressive Venting

Jackson Mips Helmet

Maker weight: 400 g.

Key details

  • Fit system: In Form 2.

What to note

Certification as listed: CE EN1077.

Maker weight: 400 gWeight sample size: MFit system: In Form 2
See all 5 specs
Maker weight400 g
Weight sample sizeM
Fit systemIn Form 2
VentilationPassive Aggressive Venting
Certification as listedCE EN1077

5 of 5 specs available · source checked September 26, 2026 · Source ↗
Giro · Product page checked September 26, 2026

View at Giro
Ventilation: Stealth Thermostat Control

Owen Spherical Helmet

Maker weight: 425 g.

Key details

  • Weight sample size: S.

What to note

Certification as listed: CE EN1077.

Maker weight: 425 gWeight sample size: SFit system: In Form 2
See all 5 specs
Maker weight425 g
Weight sample sizeS
Fit systemIn Form 2
VentilationStealth Thermostat Control
Certification as listedCE EN1077

5 of 5 specs available · source checked September 26, 2026 · Source ↗
Giro · Product page checked September 26, 2026

View at Giro
Also compare 5

Ceva Helmet

Maker weight: 590 g.

Key details

  • Weight sample size: Medium.

What to note

Certification as listed: CE EN1077.

Maker weight: 590 gWeight sample size: MediumFit system: In Form
See all 5 specs
Maker weight590 g
Weight sample sizeMedium
Fit systemIn Form
VentilationThermostat Control
Certification as listedCE EN1077

5 of 5 specs available · source checked September 26, 2026 · Source ↗
Giro · Product page checked September 26, 2026

View at Giro

Comparing Avera Mips Helmet · Ceva Helmet

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The facts that differ

Choose up to three models to compare side by side.

3 identical specs shown. Details that do not apply to these models are omitted.

Published specification comparison
SpecAvera Mips HelmetNo preferences selected.Ceva HelmetNo preferences selected.
Maker weight410 g590 g
Weight sample sizeMMedium
Fit systemIn FormIn Form
VentilationThermostat ControlThermostat Control
Certification as listedCE EN1077CE EN1077

Avera Mips Helmet

No preferences selected.

Maker weight
410 g
Weight sample size
M
Fit system
In Form
Ventilation
Thermostat Control
Certification as listed
CE EN1077

Ceva Helmet

No preferences selected.

Maker weight
590 g
Weight sample size
Medium
Fit system
In Form
Ventilation
Thermostat Control
Certification as listed
CE EN1077

Avera Mips Helmet

View at Giro

Ceva Helmet

View at Giro

Compare all 10 models

— = no verified listing yet. The published order is independent of links.

All models and their decision specs
ProductHow it comparesKey specCompareAction
Avera Mips Helmet
Compared with Ceva Helmet: maker weight, 410 g vs 590 g.
Maker weight: 410 gView at Giro
Ceva Helmet
Compared with Grid Spherical Helmet: maker weight, 590 g vs 400 g.
Maker weight: 590 gView at Giro
Grid Spherical Helmet
Compared with Jackson Mips Helmet: ventilation, Thermostat Control vs Passive Aggressive Venting.
Maker weight: 400 gView at Giro
Jackson Mips Helmet
Compared with Neo Mips Helmet: maker weight, 400 g vs 410 g.
Maker weight: 400 gView at Giro
Neo Mips Helmet
Compared with Orbit Spherical Helmet: maker weight, 410 g vs 690 g.
Maker weight: 410 gView at Giro
Orbit Spherical Helmet
Compared with Owen Spherical Helmet: maker weight, 690 g vs 425 g.
Maker weight: 690 gView at Giro
Owen Spherical Helmet
Compared with Ratio Mips Helmet: maker weight, 425 g vs 600 g.
Maker weight: 425 gView at Giro
Avera Mips Helmet
Compared with Ceva Helmet: maker weight, 410 g vs 590 g.
Maker weight: 410 g
View at Giro
Ceva Helmet
Compared with Grid Spherical Helmet: maker weight, 590 g vs 400 g.
Maker weight: 590 g
View at Giro
Grid Spherical Helmet
Compared with Jackson Mips Helmet: ventilation, Thermostat Control vs Passive Aggressive Venting.
Maker weight: 400 g
View at Giro
Jackson Mips Helmet
Compared with Neo Mips Helmet: maker weight, 400 g vs 410 g.
Maker weight: 400 g
View at Giro
Neo Mips Helmet
Compared with Orbit Spherical Helmet: maker weight, 410 g vs 690 g.
Maker weight: 410 g
View at Giro
Orbit Spherical Helmet
Compared with Owen Spherical Helmet: maker weight, 690 g vs 425 g.
Maker weight: 690 g
View at Giro
Owen Spherical Helmet
Compared with Ratio Mips Helmet: maker weight, 425 g vs 600 g.
Maker weight: 425 g
View at Giro
10 catalog models

How the comparison works

Your choices are compared with each model’s product details. A missing or conflicting value stays unknown and cannot satisfy a choice you select. The starting order helps you browse; it does not rate real-world performance.

Source dates appear with each link below. A source date does not confirm today's price or stock.

Finder methodologyReport a correction
Sources for all 10 models

Ventilation separates helmets with the same sample weight

Giro Grid Spherical Helmet and Jackson Mips Helmet each weigh 400 g in the maker's M sample size. Both use the same fit-system label, but Grid Spherical Helmet has Thermostat Control ventilation and Jackson Mips Helmet has Passive Aggressive Venting. A weight tie leaves that ventilation choice unresolved.

Read the fit-system and ventilation descriptions alongside sizing guidance. This comparison draws on Giro's product information, without evaluating helmet feel or vent airflow on snow.

Sample size belongs beside every helmet weight

The supplied helmet weights range from 400 g to 690 g. Orbit Spherical Helmet accounts for 690 g in size M; Owen Spherical Helmet is 425 g in size S. A difference between those samples is not a weight comparison in your own helmet size.

Certification wording remains the maker's statement. Neither weight, ventilation nor a certification label compares impact protection between these models. Follow Giro's sizing and intended-use guidance, and prioritize a correctly fitting helmet over a lower sample weight.

Before you buy

Does lower helmet weight establish better protection?

Giro’s certification text is shown as the maker gives it. A weight, vent design or adjustment-system name is separate from certification and cannot establish protection for your use. Giro’s Avera Mips weighs 410 g in M; Ceva weighs 590 g in Medium. Both use In Form adjustment and Thermostat Control ventilation. Your chosen size changes helmet fit. For less maker-stated weight with those features, Avera differs from Ceva. Your correct size and goggle fit matter, and the comparison does not turn ventilation or weight into safety ratings.

Are all weights measured in the same size?

The sample-size column identifies the size attached to each manufacturer weight. Owen is listed in S; the other included weights are listed in M or Medium.

Does a matching model guarantee fit?

Check the maker’s size guide and try the helmet with your goggles. These three filters describe features rather than personal fit. Check the weight sample size and certification beside each model. Try the correct size with your goggles before choosing.