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Speedy transitions in carbon comfort.

The Mavic Tri Helium Shoes are the obvious choice for a top-level triathlon shoe with all the bells and whistles. Luckily, Mavic doesn’t sacrifice comfort for performance and features easy entry and exit with direct and efficient power transfer.

Mavic’s Energy SLR carbon fiber outsoles minimize weight and ensure little energy loss from foot to pedal. The outsoles are combined with an Energy Frame Carbon SL Concept inlay that supports your foot over the longitude of the shoes’ arch areas. This carbon frame provides greater lateral support, medial support, and better foothold than traditional leather or microfiber uppers. To top it off, Mavic used its carbon fiber 3D heel counter to eliminate heel slippage.

Now, for the comfort; the majority of the Tri Helium's uppers are made of a highly breathable mesh. This means moisture is quickly evaporated after T1 and during your ride. The cushy Ergo Fit SL insoles feature three-layer construction that dampens ride vibration, evaporates moisture, provides antimicrobial protection, and maximizes breathability for your ride.

Mavic knows entry and exit are vital in a tri shoe and uses its Ergo SL carbon strap with a trimmable “burrito-wrap” upper. That means the Heliums have an opening that runs nearly the whole length of the upper shoes and that you can dial in the fit of the shoe to your desire. The two-strap closure system makes transitions a breeze, and to speed up T1, Mavic has included a durable pull-tab at the heel.

  • Ergo SL Carbon Straps and Burrito-Wrap uppers
  • SLR carbon fiber outsoles
  • Energy Frame Carbon SL Concept
  • 3D heel counters
  • Ergo Fit SL insoles
  • Uppers made of highly breathable mesh

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Here's what others have to say...

4 5

Good Shoe, needs toe guard

  • Familiarity: I've put it through the wringer

I've had these for about 1.5 years, and the fit and ventilation are superb. The only issue I have encountered is that the carbon sole wears quickly on my preferred dismount shoe as there is no plastic toe guard that is often found on Sidi and other brands. I have already developed a small hole through the carbon on my left toe from as that is my preferred foot to un-clip with when stopping. I have treated this with sealant to protect the integrity of the carbon, but am not sure how much longer they will last. If Mavic would have update the sole to address this issue, I would get another pair without hesitation, but at the moment am not sure if I want to spend $350 every two years on a pair of shoes.

I'm very interested in this shoe but the...

I'm very interested in this shoe but the vast majority of sizes have been out of stock for months. Specifically, US 11 or potentially 11.5. Will you have any of these or a bulk order coming in soon?

Hey Kris,
Thanks for the question and sorry we didn't get back to you sooner! Those items are on back-order currently and we are waiting for the vendor to send us more of those sizes. Because we are waiting on them in back-order it makes giving an approximate arrival date very difficult.

is the sizing in UK or US?

is the sizing in UK or US?

Hey Elliot,
The sizes shown are U.S. sizes. If you click on the sizing chart you can see how the U.S. sizes translate to U.K. and E.U. sizes, if needed.

Do you have them in stock?

Do you have them in stock?

Yes these are in stock! Select the size you need from the drop down menu- the sizes you see displayed there are the sizes we have in stock. Once you add your item to your cart you will also be able to see how much inventory we have left in that specific size.

That's exactly what I did on November 8th when I placed an order for these. What I didn't know until I placed my order is that they were on back-ordered. I keep waiting... so others should double check the wait time before placing an order