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Item # GIR0273 Past Season Colors

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Item # GIR0273

The Giro Hex Helmet handles all the cranium-protecting duties and lets you focus on riding.

Hit the trail without worrying about your lid. The Giro Hex Helmet handles all the cranium-protecting duties and lets you focus on riding. The new RocLoc 5 adjustment system allows for simple horizontal and vertical adjustment without taking the helmet off, so you can get it dialed quickly and get pedaling. The adjustable visor helps keep the sun ot of your eyes, and 21 vents keep your brain from overheating on the climbs.

  • All-mountain riding
  • In-Mold construction
  • RocLoc 5 adjustment system
  • 21 vents

Tech Specs

Shell Material:
polycarbonate
Impact Foam:
in-mold EPS (foam)
Ventilation:
21 vents
Fit Adjustment:
Roc Loc 5
Visor:
yes, P.O.V.
Recommended Use:
trail, all-mountain

Size chart

Giro

Adult Cycling Helmets
 SS/MMM/LLXLAdult UniversalWomen's Universal
Head Circumference 20 - 21.75in
(51 - 55cm)
20 - 22.5in
(51 - 57cm)
21.75 - 23.25in
(55 - 59cm)
21.75 - 24in
(55 - 61cm)
23.25 - 24.75in
(59 - 63cm)
24 - 25.55in
(61 - 65cm)
21.25 - 24in
(54 - 61cm)
19.75 - 22.5in
(50 - 57cm)
Cipher
 XSSML
Head Circumference 20 - 20.75in
(51 - 53cm)
21.25 - 22in
(54 - 56cm)
22.5 - 23.25in
(57 - 59cm)
23.5 - 24.25in
(60 - 62cm)
How to Measure:
For best results, use a tape measure to measure around your head where your hat would fit comfortably.

Reviews & Community

REVIEWS

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Great Helmet

  • Familiarity: I've used it several times

One of the cheaper options out there, and yet the construction is solid, the helmet is super light and on hot days it still allows your head to breathe really well. Haven't smashed my head yet but will report back on how that feels if I do.

Great deal

  • Familiarity: I gave it as a gift but have feedback to share
  • Fit: True to size
  • Size Bought: small

I am surprised the white with California Bear is a discounted color. The bear and graphics are hardly noticeable, great deal for light,
well vented dome protection with good adjustability. Size fits accurate to measurements in the small I got for the lady.

Rambo Ridge - Trade, TN

Thanks for protecting my dome! Great light weight helmet and the RocLoc adjustment system keeps the helmet on my head when I sometimes forget to buckle up.

Rambo Ridge - Trade, TN

New helmet

  • Familiarity: I gave it as a gift but have feedback to share

I got this helmet for my older son to replace a broken one. He loves it - the fit, the visor and the map/bear on the back. He really liked his old helmet and hated to get a new one but has been very happy with this one.

Helmet Upgrade!

  • Familiarity: I gave it as a gift but have feedback to share

For years my good friend used a ski helmet (sans liner) as a mountain bike helmet in the summer. I just couldn't have them sweating up a storm like a goober any longer under my watch. Thankfully I give great birthday gifts, like this helmet! My frequent riding buddy is now styling and stoked! This helmet is very light, vents well, and the adjustable fit makes sizing a breeze!

Great Helmet

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

I really like this helmet, tons of air flow and looks pretty cool. The Roc Loc 5 system is really solid and hugs my head perfectly. With a couple clicks the helmet is perfectly snug and won't fall off of my head even if the straps aren't on (although obviously you should use the straps).

Avg. ride time: 5h 14m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Love it!

    Had this helmet for 2+ years (an older color but same one) and I absolutely love it. Super comfortable, cooling, stays in place, no issues, cool colors. I'm cooler wearing it than not! And it's a really reasonable price compared to other helmets.

    Can fit a big noggin'!

    • Familiarity: I've used it several times

    I went with an XL because my hat size is 7 7/8. I happy to say that I actually had to tighten it a little to get a proper fit. The only issue I have is how the velcro is adhered to the helmet - it could be stronger, but as long as you're careful removing it, you won't have any issues.

    Almost perfect...

    • Familiarity: I've used it several times

    This helmet is awesome. It fits great, is very light, offers excellent airflow, and is well padded.

    The ONLY concern is the split in the pads in front. I sweat a lot, riding here in AZ, and it runs into my eyebrows. I don't love that about it but everything else is stellar.

    Great helmet, very comfortable, good air

    • Familiarity: I've used it several times

    Rode with this helmet a few times now, very comfortable, keeps your head safe and cool and looks decent

    Great helmet for the price.

    • Familiarity: I've used it several times

    Love the fit and finish of Giro helmets and this one is no different. Well made and comfortable. Pretty bright though, so beware of the green if you're going for stealth. On the flip side your easier to see on evening rides!

    Good helmet

      This is a good all-around mountain bike helmet that has plenty of vents and a good fit. The rear RocLoc 5 adjustment works well to ensure proper fitting of the lid, but there are indeed better half shells out there - just not at this awesome price.