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Item # MTE0001

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Item # MTE0001


You can have ventilation or you can have aerodynamics. Take a look at speed-focused TT helmets -- they have minimal holes in the shell because it causes turbulence. MET set out to make the Estro Helmet as wind deceptive as possible while remaining well ventilated.

To achieve this, MET did not aimlessly punch as many ports into the Estro's design as possible. Instead, they developed a protocol that measures a helmets performance in terms of ventilation called Air Scale. Simply put, it measures two essential parameters -- the Head Contact Surface (HCS) and Cooling Factor (CF).

The HSC indicates, with a percentage, how much of the head is in contact with the helmet. This lets them design the HSC so it's at a minimum, in this case 65%. This helps the Estro decrease heat buildup and gives it a CF of 7.5 out of ten.

Adding to that low CF is Gel02 front pads and Coolmax anti-allergenic interior pads. These reduce pressure, while encouraging rapid evaporation of perspiration for excellent comfort. The pads aren’t for impact protection, however, that's left to the Integral-In-Molding construction.

In-molding means the shell and outer are bounded during the manufacturing process. The shock resistant shell is fused to the impact absorbing EPS foam inside. MET also reinforces the Estro around its twenty vents to ensure structural integrity.

Keeping the Estro in place and snug is a Safe-T Smart retention system. It uses a micro retention system that features both horizontal and vertical adjustment. Due to this, the pressure is distributed across a broader surface to increase performance and comfort.

Finishing the Estro tour is a Coolmax anti-pinch buckle that's breathable and easy to extract, like the pads, for washing. MET equips the Estro Helmet with reflective elements for low light safety. It comes in either Medium or Large, and four colors; White/Red, White/Green, White/Black, and Black.

Tech Specs

EPS (foam), polystyrene
Adjustable Vents:
Fit Adjustment:
Recommended Use:

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size chart link

  • Familiarity: I've used it once or twice and have initial impressions

the sizing chart is not listed on this helmet but i found a link to their catalog which lists the sizes.

nice helmet

  • Familiarity: I've used it several times

NIce helmet, unfortunately I dropped it on a concrete

floor and it got a crack in the foam. It was very light and

comfortable. Very adjustable.

Super light!

  • Familiarity: I've used it several times

Wow, my first replacement helmet in years and technological advancements have made this helmet very lightweight. A rotary dial in the back can easily adjust to your head. One downside is that there isn't a visor to keep the sun out of your eyes.

Nice helmet, very adjustable

  • Familiarity: I've used it once or twice and have initial impressions

I got one of these off CL after reading some positive reviews elsewhere (B I K E R A D A R, etc.). Never heard of this brand previously, but it appears to be a well-constructed helmet-- as it should be, considering the price-- and it has the most adjustable fit of the helmets produced for this brand. You can adjust the fit around your head with a convenient wheel on the back and you can even adjust the angle of attack (how high/low the brim rides on your forehead) via the plastic "cage" that holds the helmet on your head. Great ventilation. So far, I've used it for a couple of rides in warm (90F) weather, and the air flows through it as advertised. Screaming buy on CL, in my opinion. As the other reviewer noted, large fits 58-cm heads well, and there is enough extra room for the cotton bandana headband that I wear when riding.

Nice helmet, very adjustable

A fine helmet

    Got this from CL for a steal. My head measures 58 cm and the large fits well. I like the adjustment in back, and the chin strap is easy to manage. Overall a very good fit. Helmet feels light and doesn't slosh around on my head. I can't tell if I'm more aero or not, but I like to think I am.