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Protone Icon Helmet

3.6666666666666665 out of 5 stars
3 Reviews


Size Chart


Why We Like The Kask Protone Icon Helmet

Kask turned the dial up with their Protone Icon Helmet. Enhancing upon its base version, the Icon features an even sleeker shape to maximize ventilation and aerodynamics so we may move at greater speeds with greater comfort. And while comfort is of high importance, protection is even more so. We can trust the rotational tests of Kask for that.


  • Cycling helmet that redefines performance
  • Joined internal and external frames for strength
  • Coolmax fibers draw out moisture and dry fast
  • OCTOFIT+ for ultimate fine-tune fitting
  • Refined shape cuts through wind to maximize speed
  • Item #KSKZ00J
road cycling
KASK WG11, Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older
Fit Adjustment
multiple vents
Manufacturer Warranty
limited lifetime
Claimed Weight
[medium] 8.1oz
Shell Material

Overall Rating

3.5 based on 3 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 0 reviews
4 Stars - 1 reviews
5 Stars - 1 reviews

Fits Small

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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4 out of 5 stars

June 30, 2023

Fits well but …

I've used it several times
Size Bought:
5' 7"

My noggin definitely feels safe in the Protone, but it does run a little smaller than before. My biggest beef is that they changed the padding on the inside to some kind of really scratchy material, which make my skin itch and gives me a rash on my forehead. Sigh.

Courtney C
2 out of 5 stars

January 19, 2023

Dont fix it if it aint broke

I've put it through the wringer

I loved my 2 previous generation Protone helmets, but this new version Icon is not as comfortable. They messed very slightly with the fit which to me is a big deal because I was on the upper limit of a medium. The medium in this Icon version was simply too close for comfort fit wise and as a result was not comfortable. If you are not on the upper end of one size of the previous version, you will likely not have this problem, but for me if I dont fit into a given helmets Medium, I wont go to the large because I find larges in general, regardless of company, just have too big of a “look” to what I want. My solution was I went to a medium POC Vental Air and Ventral. I could not be happier. I was always happy with my previous generation Protone, but the POC Ventral and POC Ventral Air that I picked up are substantially more comfortable in comparison. They dont hold glasses in the front as securely as my Kasks but do a good enough job that I look past it for the superior comfort they provide. Glad Kasks fixing something that was not broke pushed me to try something different because prior to that, I did not think a better overall helmet for me existed until I tried the POCs, which I would not normally have experimented with. Outside of the fit, Kask makes a quality lid with good design and quality materials but I feel the messing with the fit warranted the low rating.

laxp671061 l

Originally reviewed on

5 out of 5 stars

December 3, 2022

Love this helmet!

I've put it through the wringer

I've previously used Specialized Prevail (1 & 2) and Bontrager Velocis, among others. The new Protone Icon is now my favorite. The fit is perfect (my head is more round than oval). The strap is super comfortable – I love how the clasp is offset. The padding is very comfortable and comes off easily to clean. The Octofit+ is comfortable and adjustable and keeps the helmet in place without squeezing my head. Cooling is fine...I like the lower vents that are just above the brow. I used this in summer and now in winter as well. Importantly, my Oakley's fit in nicely to the front vents (upside down). Finally I think from a looks perspective, its super cool looking...very pro. Highly recommend!

mar4315987 m

Originally reviewed on