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Giro Ionos Road Bike Helmet | 
| Brand: Giro
Category: Sports
Department: unisex-adult
Buy New: $169.99 - $230.00 (On sale from $275.95)
as of 7/30/2010 14:43 EDT details
Amazon.com
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Rating: 17 reviews
Sales Rank: 700
Color: Black, White, Black/Red
Clothing Size: Medium, Large
Size: Medium, Large
Shipping Weight (lbs): 2.2
Dimensions (in): 13.8 x 9.8 x 7.9
MPN: 2015991
ASIN: B0011W8756
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| 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 |
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| Editorial Reviews:
Product Description
Ionos features In-mold construction with a sleek, four-piece shell. In-mold construction fuses the helmet's outer shell with the impact-absorbing EPS liner. The two materials are fused together, and one is reinforced by the other. This exoskeleton' allows Ionos to be lighter, more durable and more ventilated than traditional road helmets.
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 an environmentally friendly 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.
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| Customer Reviews:
Showing reviews 1-5 of 17
Excellent product, absolutely confortable June 21, 2010
Robert Castillo V (Costa Rica)
Excelent product, absolutely confortable. I am very please with the helmet. I think is the best decision.
It fits confatably and has a nice look. You can feel the excellent refreshing air ventilation.
giro atmos helmet May 9, 2010
William Magnus (VT)
i have had a number of good helmets but this is by far the best. it fits my head and best of all it does not sit on top of my head like the pneumo did. Plus it came with a partial liner for colder days that i see a lot. now you would expect for this price it should be special, and i admit it is but when you look at one helmet to another and see that there are very similar materials involved its hard to rationalize the cost. again the best i have worn
giro ionos is a great helmet February 7, 2010
chrisbike (PHOENIX, AZ, US)
i purchased a giro ionos road bike helmet 3 months ago. this is a great helmet! it is light weight and provides good ventilation. so comfortable. truely one of the best items i have bought in a long time.
 ionos helmet October 16, 2009
db (australia)
7 out of 8 found this review helpful
quality helmet, snug fit, tighter then usal giro helmets, so when sizing you may need a larger size than normal
Excellent Design and Functionality October 11, 2009
John N. Twist (Morgantown, WV)
12 out of 12 found this review helpful
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 ventiliation 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...
Showing reviews 1-5 of 17
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