Giro Ionos Road Bike Helmet

by Giro

Product Features

• Advanced cycling helmet with Wind Tunnel ventilation system to keep you cool
• In-mold composite sub-frame supports 21 of the largest vents ever carved in a helmet
• Active vents combine with internal exhaust channels to thrust cool, fresh air over rider's head
• X-Static helmet padding provides anti-microbial and thermodynamic benefits
• 3-size Super Fit system fits 98 percent of world's population; available in several colors

Product Description

Amazon.com Product Description

The Ionos is the most technologically advanced road cycling helmet Giro has ever created. The Ionos is built around a proprietary in-mold composite sub-frame (ICS) that provides the strength to support 21 of the largest vents ever carved into a bike helmet. These massive vents, coupled with an intricate network of internal channels, creates a cooling system dubbed Wind Tunnel ventilation, making Ionos the coolest, best-ventilated helmet on the market. The helmet is perfect for keeping Grand Tour champions like Lance Armstrong and Alberto Contador cool on the hottest days and over the most tortuous Alpine climbs.

The helmet's Wind Tunnel ventilation thrusts cool, fresh air over and around the rider's head.

Ionos Technologies
The Ionos helmet employs some of the most advanced technologies that Giro has ever used in a bike helmet. The Ionos' in-mold construction, for example, fuses the helmet's outer shell with the impact-absorbing EPS liner. Not only does this reinforce both layers, but the "exoskeleton" also allows Giro to engineer helmets that are lighter, more durable, and better ventilated. This culminates in the helmet's proprietary Wind Tunnel ventilation system, which combines active vents with internal exhaust channels that thrust cool, fresh air over and around the rider's head while forcing heat and stale air out. By definition, a channel is a route through which anything passes or progresses. In the case of Giro helmets, the internal channels are carefully crafted and are one of the keys to a well-ventilated helmet. This significant increase in air channeling makes a difference that riders will feel immediately.

The secret behind the vent technology is the in-mold composite subframe, which lets Giro offer huge vents without compromising protection. The Ionos features a visible weave of carbon reinforcement that runs through the helmet's liner and around the vents. By using these advanced materials, the sub-frame can be tuned to provide incredible structural support, impact dispersion, and resistance to penetration.

Padding and Fit
The Ionos offers X-Static helmet padding, which is entwined with a silver-coated fabric called Silver Fiber. Found exclusively in Ionos helmets, the fabric provides anti-microbial and thermodynamic benefits, so in addition to keeping you cooler in the summer and warmer in the winter, your helmet will stay fresh all year round. Finally, the Ionos helmet is engineered using Super Fit technology, making it so comfortable that it virtually disappears when you put it on. The proprietary three-size Super Fit system is based on "human scale factors" data and nearly 20 years of crafting helmets for the best riders in the world. The result is a helmet that fits 98 percent of the world's population, yet looks and feels like it was made just for you.

About Giro
Giro, based in Scotts Valley, California, is a worldwide leader in the design, development, and marketing of premium, high-performance protective gear and accessories for action sports and active lifestyles. Giro is an innovative, consumer-focused brand, with a mission to create products on the leading edge of inspired design to help you to look good and feel your best.

Product Description

Ionos is the most ventilated and technologically advanced road cycling helmet Giro has ever created. Our proprietary in-mold composite sub-frame (I.C.S.T) provides the strength to support 21 of the largest vents ever carved into a helmet. These massive vents, coupled with an intricate network of internal channels, create a cooling system we call Wind TunnelT ventilation, making Ionos the coolest, best-ventilated helmet available. Perfect for keeping Grand Tour champions like Lance Armstrong and Alberto Contador cool on the hottest days and over the most tortuous Alpine climbs. TECHNOLOGIES: -In-Mold Technology -Wind Tunnel Ventilation -Internal Channels -In-Mold Composite Subframe (I.C.S.) -X-Static Helmet Padding -Super Fit Engineering SPECS -Fit System: Roc Loc (R) 4 -Construction: In-mold - EPS liner, polycarbonate shell -Ventilation: 21 Wind Tunnel (TM) vents, internal channeling

Product Details

• Shipping Weight: 2.2 pounds (View shipping rates and policies)
• Shipping: This item is also available for shipping to select countries outside the U.S.
• ASIN: B0011W8756
• Average Customer Review: 4.5 out of 5 stars  See all reviews (29 customer reviews)
• Amazon Best Sellers Rank: #64,876 in Sports & Outdoors (See Top 100 in Sports & Outdoors)

Customer Reviews

Most Helpful Customer Reviews

25 of 26 people found the following review helpful:

5.0 out of 5 stars Giro Ionos Is An Excellent Helmet, July 30, 2009

By 

D.B. "Dave" (Seattle) - See all my reviews

This review is from: Giro Ionos Road Bike Helmet (Sports)

This is an excellent helmet and it works too. I gave it a crash test last month when I was hit by a car (I was doing 25 mph) and hit my head hard on the asphalt. The helmet didn't break or crack and I didn't suffer any type of head injuries. I was so impressed, I replaced it with the same model. The fit is great and I wore it on a 200 mile one day ride without any discomfort. It isn't a cheap helmet, but what kind of price do you put on your life?

The Garmin color isn't bad either.

20 of 20 people found the following review helpful:

5.0 out of 5 stars Excellent Design and Functionality, October 11, 2009

By 

John N. Twist (Morgantown, WV) - See all my reviews
(REAL NAME)   

Amazon Verified Purchase

This review is from: Giro Ionos Road Bike Helmet (Sports)

I purchased this helmet for summer road cycling. My mountain bike helmet just did not provide sufficient ventilation (or comfort). I read numerous reviews on cycling helmets and decided to purchase this one. I was very surprised at how comfortable this helmet is. I place the helmet on my head with the adjustment strap (two sliding tabs on either side along the back) fully open and then adjust the tension to provide a comfortable fit. This helmet covers more of the sides of your head and reduces the "mushroom head" appearance. The ear/chin adjustment straps are easy to manipulate and are of quality material. The interior pads, which attach to multiple areas of the helmet with Velcro, are more comfortable and of superior quality (stitched padding strips) than other helmets I have used. The kit contains a full replacement set of pads as do most others. The ventilation is superb- far exceeding my already high expectations. I did not find the increased ventilation bothersome in any way as several other reviewers have observed (even at 35 mph). I have very short hair and have found that a absorbent skull cap (Under Armour Mesh Skull Cap) worn under the helmet is VERY effective in controlling sweat (no fogged sun glasses for 2+ hour rides). The only minor issue I have come across is that the highly aerodynamic design results in surfaces which make attaching a rear view mirror marginally more difficult. My local bike shop (Wamsley's Cycles, Morgantown WV) was able to find a mirror that could be securely attached to the helmet after some flexing of the base plate. The helmet is expensive ($160 USD via Amazon back in July) but I feel it is worth the expense- this thing is extremely comfortable, high quality build and will last as long as I am accident free...

Update (8-21-10): Fell while road riding and hit my head onto the road at about 18 mph. Helmet absorbed the entire impact and has impact damage. This possibly saved my life today. Will be purchasing a replacement unit.

8 of 9 people found the following review helpful:

4.0 out of 5 stars ionos helmet, October 16, 2009

By 

db (australia) - See all my reviews

This review is from: Giro Ionos Road Bike Helmet (Sports)

quality helmet, snug fit, tighter then usal giro helmets, so when sizing you may need a larger size than normal

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