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Giro Quarter MIPS Helmet

Mfg PartNum:
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Backorder: This item is currently out of stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

The Giro Quarter MIPS Helmet is an everyday helmet that provides advanced protection and urban styling in one budget-friendly package. Marking one of the lowest-profile helmets Giro has ever made, the Quarter also is one of the lightest that is made with an ABS shell. Giro took the standard bucket-style helmet, and tweaked it for superior protection and comfort. Adding in the Multidirectional Impact Protection System (MIPS), the Quarter provides added protection by redirecting energy in certain kinds of impacts. Additionally, a polyurethane coating helps protect the EPS liner from daily wear and tear, increasing the lifespan and durability of the helmet.


  • MIPS-equipped low profile helmet with an ultra-lightweight ABS shell.
  • External polyurethane coating protects the EPS liner from daily wear and tear.
  • 8 vents allow for maximum breathability.
  • Available in 3 sizes: Small (51 - 55cm), Medium (55 - 59cm), Large (59 - 61.5cm).

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Head Circumference20"-21¾"21¾"-23¼"23¼"-24¾"   

Matte Black - Small

Mfg PartNum: 7066222 

Matte Black - Medium

Mfg PartNum: 7066223 

Matte Black - Large

Mfg PartNum: 7066224 

Matte Chalk - Small

Mfg PartNum: 7129590 

Matte Chalk - Medium

Mfg PartNum: 7129591 

Matte Chalk - Large

Mfg PartNum: 7129592 

Ordered by Most Relevant First
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Reviewed 1/4/2019
by robk
Daily Commuter
Value Rating
Overall Rating
Yup, it's a helmet

I got this helmet for my son who rides his bike all around his college campus, and to all his off-campus excursions. I bought it for 2 reasons 1) MIPS. We all hope we never actually need to use the helmet for what it's designed for. But if you crash, you want the best. 2) Not too many air vents, cuz it's cold in Chicago!

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Reviewed 6/18/2018
by MoserM82
Cycling Enthusiast
Mechanicsburg, PA
Value Rating
Overall Rating
Certainly more helmet than a road bike one, feels safer.

Well, I purchased it for something different than what it was designed for I think bicycle touring. I just wanted a different look and the high visibility of the orange is amazing. The helmet is heavier than you might expect when you read the description lightweight, but then it isn't a road helmet. I'm not sure what the helmet will be like if it gets humid, but I think mid warm temps it might work well.

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Reviewed 2/1/2021
by Robin Williams
Daily Commuter
Long Beach, CA
Overall Rating

My grandson loves this helmet, the mat finish is very attractive.

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Reviewed 7/19/2018
by Ccbeads213
Boxford, ma
Overall Rating
Tiny head

I really loved the helmet. The color was really nice but I was so disappointed that I had to send it back due to the fact that I have a really small head. I have a hard time finding hats and helmets to fit. If I had a big head I definitely would have kept it.

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