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Giro Aries Spherical MIPS Road Helmet Matte Charcoal Rush
Giro Aries Spherical MIPS Road Helmet Matte Charcoal Rush
Giro Aries Spherical MIPS Road Helmet
Giro Aries Spherical MIPS Road Helmet
Giro Aries Spherical MIPS Road Helmet Matte Sharkskin
Giro Aries Spherical MIPS Road Helmet Matte Sharkskin
Giro Aries Spherical MIPS Road Helmet Matte Ano Blue
Giro Aries Spherical MIPS Road Helmet Matte Ano Blue
Giro Aries Spherical MIPS Road Helmet Matte Carbon / Red
Giro Aries Spherical MIPS Road Helmet Matte Carbon / Red
Giro Aries Spherical MIPS Road Helmet Matte Black
Giro Aries Spherical MIPS Road Helmet Matte Black
Giro Aries Spherical MIPS Road Helmet Matte White
Giro Aries Spherical MIPS Road Helmet Matte White
Giro Aries Spherical MIPS Road Helmet Matte White
Giro Aries Spherical MIPS Road Helmet
Giro Aries Spherical MIPS Road Helmet
Matte Charcoal Rush
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Giro Aries Spherical MIPS Road Helmet 36
Giro Aries Spherical MIPS Road Helmet 37
Giro Aries Spherical MIPS Road Helmet 30
Giro Aries Spherical MIPS Road Helmet 31
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Giro Aries Spherical MIPS Road Helmet 20
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Giro Aries Spherical MIPS Road Helmet 10
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Giro Aries Spherical MIPS Road Helmet 38
Giro Aries Spherical MIPS Road Helmet 39

Giro Aries Spherical MIPS Road Helmet

Pricing and Order Section

Mfg PartNum:
rating(46 customer reviews)
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$299.95
MSRP: $299.95
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Description

Cooler, Lighter, Faster — Pick Three

The Giro Aries Spherical MIPS Road Helmet is the best-in-class high-end road helmet with a compact design that offers the pro tour riders every advantage they need to reach the top step of the podium.

Its smaller form and lighter weight deliver sensational comfort and cooling power. Spherical Technology™, the ball-and-socket design powered by Mips®, adds protection by redirecting energy away from the brain in certain impacts, and Progressive Layering with dual densities of Nanobead EPS foam adds more comprehensive energy management.

Twenty four Wind Tunnel vents are maximized by the AURA Reinforcement Arch, while a plush DryCore™ brow pad manages sweat and combines with a network of intricately engineered deep internal channeling elevate comfort. From the proven reliability and adjustability of the Roc Loc® 5+ Air fit system, to full lower hardbody coverage to enhance durability, to the meticulous production quality, the Aries is the epitome of top-shelf performance, protection, and style.

Unrivaled Design & Functionality

Spherical Technology's Ball-and-Socket design, powered by Mips®, helps redirect impact forces away from the brain by allowing the outer liner to rotate around the inner liner during a crash. It also eliminates contact with hard plastic or slip-planes against the skin.

Helmets with Progressive Layering feature a dual-density liner designed to address high and low-speed impacts, for more comprehensive energy management.

Structural integrity is bolstered by the shatter-resistant and translucent AURA reinforcing arch that runs throughout the helmet.

Forget Overheating

In-Mold Construction fuses a tough polycarbonate outer shell with the helmet's impact-absorbing foam liner. The fusion process allows for better ventilation systems, making in-mold helmets lighter and cooler than traditional helmets.

Combined with the massive vents, internal channeling forces air to flow over the scalp, providing remarkable cooling power.

The revolutionary Roc Loc® 5+ Air fit system adds a new dimension to helmet performance by enhancing cooling as well as fit, comfort, and stability. Using a patented design that suspends the helmet just slightly off the top of the skull, it allows cool airflow to pass directly over your head, further enhancing the performance of vents and internal channeling that exhaust heat out of the helmet.

Features:

  • Spherical Technology™, powered by Mips®
  • Progressive Layering™
  • In-Mold polycarbonate shell with EPS liner
  • Full lower hardbody coverage
  • Roc Loc® 5+ Air Fit System
  • Roc Loc® LED Light compatible
  • DryCore™ sweat management system

Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for continental US customers (not applicable for AK, HI, APO, FPO) if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.

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.

Size Chart

Giro size chart

Specifications

Matte Black - Small

Mfg PartNum: 7149804 

Matte Black - Medium

Mfg PartNum: 7149805 

Matte Black - Large

Mfg PartNum: 7149806 

Matte White - Small

Mfg PartNum: 7149831 

Matte White - Medium

Mfg PartNum: 7149832 

Matte White - Large

Mfg PartNum: 7149833 

Matte Carbon / Red - Small

Mfg PartNum: 7149813 

Matte Carbon / Red - Medium

Mfg PartNum: 7149814 

Matte Carbon / Red - Large

Mfg PartNum: 7149815 

Matte Ano Blue - Small

Mfg PartNum: 7149786 

Matte Ano Blue - Medium

Mfg PartNum: 7149787 

Matte Ano Blue - Large

Mfg PartNum: 7149788 

Matte Sharkskin - Small

Mfg PartNum: 7159017 

Matte Sharkskin - Medium

Mfg PartNum: 7159018 

Matte Sharkskin - Large

Mfg PartNum: 7159019 

Matte Charcoal Rush - Medium

Mfg PartNum: 7165005 

Matte Charcoal Rush - Large

Mfg PartNum: 7165006 

Matte Metallic Coal / Dusty Rose - Small

Mfg PartNum: 7165007 

Matte Metallic Coal / Dusty Rose - Medium

Mfg PartNum: 7165008 

Matte Metallic Coal / Dusty Rose - Large

Mfg PartNum: 7165009 

Reviews

Ordered by Most Relevant First
5 stars
4 stars
3 stars
2 stars
1 stars
(42)
(3)
(0)
(1)
(0)
(91%)
(7%)
(0%)
(2%)
(0%)
Safest Helmet yet!
rating
by Marvin Fickle
Chicago

As a 25+ year user of Giro bike helmets, I recently purchased their newest model, reported to be the safest helmet yet. Having proved the value of a previous Giro helmet in an endo crash, I'm sticking with a proven brand. The great price available at Western Bike Works was the frosting on the cake. The helmet is comfortable, with nearly identical head feel other prior high end road helmets. Haven't tried it in winter weather, but there appears to be sufficient adjustment to accommodate a beanie or wind shield.

Reviewed 10/26/2024
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Safest Helmet yet!
rating
by Marvin Fickle
Chicago

As a 25+ year user of Giro bike helmets, I recently purchased their newest model, reported to be the safest helmet yet. Having proved the value of a previous Giro helmet in an endo crash, I'm sticking with a proven brand. The great price available at Western Bike Works was the frosting on the cake. The helmet is comfortable, with nearly identical head feel other prior high end road helmets. Haven't tried it in winter weather, but there appears to be sufficient adjustment to accommodate a beanie or wind shield.

Reviewed 10/27/2024
Was this review useful to you? Yes/No
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Safest Helmet yet!
rating
by Marvin Fickle
Chicago

As a 25+ year user of Giro bike helmets, I recently purchased their newest model, reported to be the safest helmet yet. Having proved the value of a previous Giro helmet in an endo crash, I'm sticking with a proven brand. The great price available at Western Bike Works was the frosting on the cake. The helmet is comfortable, with nearly identical head feel other prior high end road helmets. Haven't tried it in winter weather, but there appears to be sufficient adjustment to accommodate a beanie or wind shield.

Reviewed 10/25/2024
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7th Giro helmet
rating
by lopezxray@ yahoo.com
Orange, CA

I owned several Giros and by far this is the best helmet Giro has made. Fit is just perfection and adjustments are effortlessly. Weight is nonexistent. Would love to see more options in the color scheme

Reviewed 12/25/2024
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Excellent Protection with Style
rating
by Ernesto Rider
Cycling Enthusiast
San Juan, Puerto Rico

GIRO ARIES SPHERICAL MIPS ROAD HELMET is an excellent choice for riders of any level of skills. It is comfortable, excellent ventilation and the retention strap are very easy to adjust and manage. It is a top choice for any cycling style and particularly efficient when hot weather conditions. This is a highly recommended cycling tool.

Reviewed 1/23/2024
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Excellent fit, easily adjustable.
rating
by Anonymous

Comfortable fit, suspension strap easy to adjust, lightweight and ventilation is excellent. Well designed helmet!

Reviewed 9/3/2024
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Best helmet I've ever owned!
rating
by Anonymous
Cycling Enthusiast
Sacramento, CA

Very comfortable fit, well ventilated, no sweat dripping onto my forehead and sun glasses. The helmet offers me all the aforementioned and a top safety rating.

Reviewed 6/6/2024
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Comfortable and stylish
rating
by Anonymous
Ridgefield, CT

This helmet is very comfortable and has a nice shape and color to it. And Giro is top quality when it comes to safety.

Reviewed 2/2/2024
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Awesome
rating
by Steven
Cycling Enthusiast
Ohio

I recently purchased a matte black Giro bicycle helmet, and I'm absolutely thrilled with it! The sleek, minimalist design looks sharp and modern, making it a standout on the road. The fit is spot-on, with Giro's adjustable ROC LOC system providing a secure, comfortable feel without any pressure points, even on long rides. It's lightweight yet feels incredibly sturdy, offering peace of mind with its top-notch safety features. The ventilation is fantastic'plenty of airflow to keep me cool during intense rides. The matte finish is not only stylish, but also resists scratches and smudges. Whether you're a casual rider or a serious cyclist, this Giro helmet is a perfect blend of form, function, and safety. Highly recommend!

Reviewed 6/9/2025
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Well-ventilated, great fit, excellent safety rating
rating
by Anonymous
Cycling Enthusiast
Colorado

I currently cycle about 150 miles per week and I love this helmet. It's incredibly comfortable and airy and most of the time feels like I'm not wearing a helmet at all. I also have some peace of mind knowing (as of the writing of this review) the second best road helmet rating in the Virginia Tech helmet ratings.

Reviewed 6/10/2025
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Great Helmet
rating
by Anonymous
Cycling Enthusiast
Redmond, WA
2 of 2 customers found this review helpful.

I recently purchased the Giro Eclipse Spherical MIPS helmet to replace a Kask helmet. Though my Kask fit well, this helmet is much more confortable from both a fit perspective and airflow. I use it for both long road rides and commuting. This helmet is incredibly comfortable and lightweight. Initial adjustment was very easy and getting it dialed in was great. It is definitely the most comfortable helmet I have worn. I highly recommend this helmet!

Reviewed 10/17/2024
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Light weight, perfect fit and by far the best Giro lid to date!
rating
by chihuahuadad
Competitive Racer
Sarasota, FL
2 of 2 customers found this review helpful.

I am very happy with my purchase. I've owned many different Giro helmets and this one stands out and looks great! Feels like a few free watts for sure! True to size and great air flow. I will use mainly for road and occasional mtb.

Reviewed 2/10/2025
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Pricey but still a very good buy
rating
by Anonymous
Cycling Enthusiast
California
6 of 6 customers found this review helpful.

I bought it because of looks, light weight, and very well received by reviewers.

It is amazingly comfortable that doesn't even feel a helmet is on, so well vented, very effective in trapping sweat, overall a very satisfying purchase.

Initially back adjustment dial and the plastic frame was scratching the neck, which was disappointing. But the issue got resolved after adjusting the plastic frame to match the shape of my head and loosening up the dial a little.

Reviewed 5/13/2024
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Great except...
rating
by Marc
7 of 9 customers found this review helpful.

Purchased this helmet as an alternative to the POCs I've been wearing the last few years. The looks are great, it is light, and the venting is wonderful. But in my opinion there is a serious flaw that you all need to be aware of if you're, um, a bit larger.

The MIPS straps in the back hang very low compared to other helmets and the plastic is very thin with rough edges. If you just try on the helmet you don't notice this. But if you, like me, are a bit thicker but still ride with a fairly aggressive position, those thin straps will dig into your neck right below the base of your skull even when the helmet isn't strapped in with any pressure. You turn your head and these things become little plastic knives. In my case, after my first ride, it was simply hot spots and what felt like a scrape. Yesterday, after trying to stretch these and sand them (they are so thin you really can't do the latter) a 90 minute ride with climbing, where my head position was really stretched to look up the hill, it was so bad that I ended up with scabs on the back on my neck from these things. Talking to Giro didn't help and they had no adjustment suggestions. So into the trash this goes. If you are a bit in the larger side where you might have a bit more skin back there, avoid this helmet. Which sucks to say because it is otherwise super comfortable just trying it on and looks great.

Reviewed 3/28/2024
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Great Helmet! Roc Loc 5 LED has limitations.
rating
by Anonymous
Cycling Enthusiast
Greenville, NC
4 of 5 customers found this review helpful.

Helmet bought to replace a Giro Aether MIPS that has seen lots of service. Fit is consistent with previous Giro MIPS/Spherical helmets, size small for 5'1" female.

Helmet is very light and well-ventilated. Very comfortable on all length rides; don't even notice it is there. Have already had some days in the low 80s in Eastern NC with high humidity, and airflow has been excellent.

Also purchased the RocLoc 5 LED light. Light installs easily and is surprisingly quite visible from the rear and sides when standing. Have long hair which fits well through the back of the helmet, and when on the bike and stretched out even a small bit, the hair all but covers up the light. Have tried securing the ponytail more tightly, but it still largely obstructs the light. The concept is great and probably works well for riders who are more upright and/or with shorter hair, but may not be effectively visible otherwise.

Reviewed 4/3/2024
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The one to get
rating
by Anonymous
Cycling Enthusiast
Midwest
2 of 2 customers found this review helpful.

I got this helmet because a I needed a new one and looking at the recent safety rating it ranked at the top. After a recent crash my helmet looked fine but then later I saw the foam was cracked inside!

The MIPS system conforms nicely to your head and it quite comfortable - more so than my old conventional Rudy. I still blunder around trying to get the buckle engaged but hopefully that will be sorted with practice. It doe looks quite bulbous on the head. For looks the Kask Aero would be my choice but "safety first"!

Reviewed 10/27/2023
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Great design with nice sleek profile
rating
by Anonymous
Competitive Racer
Maryland
1 of 1 customers found this review helpful.

Yes, this isn't an inexpensive helmet and you can get some great helmets for around a hundred dollars but if you want one of the best this might be for you. As they say, don't skimp on contact points. Helmets, shorts, shoes, and gloves that aren't completely comfortable aren't worth it no matter the value. This helmet just fits me well. No hotspots and secures so well with the dial on the back that you feel like you don't even need to buckle the strap. What I also really like is the ball-and-socket MIPS system. It really is next-level as it works without having the plastic slides inside the helmet which makes other helmets feel hot and can feel weird with a shaved head. Despite the ball-and-socket design, this helmet has a very low overall profile. In other words... you don't look like a mushroom head. I also sweat a lot in the brow pad design is better than most at wicking the sweat to the sides.

Reviewed 10/17/2023
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Great Helmet with One Flaw
rating
by Kevin B.
Cycling Enthusiast
Kaneohe, Hawaii
1 of 1 customers found this review helpful.

Over all I am very happy with the helmet, but I am disappointed a stainless bolt wasn't used for the back-strap adjuster; mine is rusting and has stained the area around it.

Reviewed 2/2/2025
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Fits me well
rating
by Larry
Cycling Enthusiast
Berkshires

This helmet fits my head much better than any of my previous helmets. Comfy and lightweight. Great glasses garage that holds my Roka's and Oakley's well. Nothing digs into my skin, and I don't even notice it on my head when i'm riding.

Reviewed 9/5/2024
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Good safe helmet
rating
by Kirk
Cycling Enthusiast
Colorado

So far so good. It seems aero and has an excellent safety rating. Only word of caution is it fits a bit tighter than other Giro helmets I've had in the past. Also, the Giro helmet cage is a extremely fragile so never pack it in a suitcase without protection.

Reviewed 9/5/2024
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