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Sidi Hydro GTX

Sidi Hydro GTXSidi Hydro GTX
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Sidi Hydro GTX
Sidi Hydro GTX
Sidi Hydro GTX
Sidi Hydro GTX
Sidi Hydro GTX
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Developed for the road rider who just won't train indoors, Sidi's winter road shoe features a boot with a neoprene cuff, billowed tongue and Gore-Tex membrane to insure that feet stay warm and dry. Millennium III sole with Lorica upper and 3 Velcro® brand straps.

Note: If you are using Shimano SPD-SL pedals, it is recommended that you use the Shimano SPD-SL 10mm cleat fixing bolt set as the standard 8.5mm Shimano bolts have a tendency to strip the threads of Sidi shoes.

This size chart provides our best estimate for which European shoe size to choose based on your US shoe size. This will not necessarily match the US size shown on the product, but it is the best guidance we can provide for this particular brand.

If we've noticed that any particular model deviates from the standardized chart, we will list this information in the product description.

Please contact us with any questions.

Ordered by Most Relevant First
Reviewed 2/19/2014
by Mark
Cycling Enthusiast
Western Washington State
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1 of 1 customers found this review helpful.
Very good, not outstanding.

I bought these two months ago for winter road riding in the Pacific Northwest. My first few rides were in cold, mildly wet weather and the shoes stayed dry and kept my feet warm. Then last weekend I had my first ride in truly miserable conditions 50 miles in 40-degree weather and a heavy, steady rain. After 20 miles my toes started to feel cold and wet. After another 15 miles my feet were wet. At the end of the ride I had standing water in the shoes. For what it's worth two riding buddies were wearing Shimano's gore-tex shoes (the SH-MW81) and they had the exact same problem-proof that after a certain point no cycling shoe is going to stay dry. I didn't expect to wear booties with these shoes but on really wet days they are needed.

My regular Sidi shoes are a size 43.5. Since these shoes don't come in half sizes I had to decide whether to size up or down. Thinking that the larger size would give me more room for thick winter socks, I went up to a 44 but I think the 43 would have been the better option, especially as these shoes are unusually roomy.

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Reviewed 12/4/2013
by Soulo Cyclist
Cycling Enthusiast
West Windsor, New Jersey
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1 of 1 customers found this review helpful.
Great Winter Shoe.

This is the first year riding with this shoe and honestly am very surprised that it does what it's suppose to do. Riding in 20 degree weather is no longer a problem... below 20, I would recommend a cover as I do start to feel the cold at that point. But this shoe is well worth the price, especially when on sale. I had enough of cold feet... but no longer. Comfortable also, and roomy enough for a thicker wool sock. A little on the heavy side, but that's to be expected. This is my first time writing a review as I normally don't get too excited about things... but this really allowed me to ride comfortably and warm in cold weather. Thanks SIDI!

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Reviewed 10/14/2013
by Anonymous
Cycling Enthusiast
Seattle, Wa
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2 of 2 customers found this review helpful.
Not as good as their road shoes

So I've had a few pair of Sidi shoes, and they have all been fantastic. I had high hopes for these, but they are no where near as good as the normal road shoes. They are sized larger which sounds nice. But they are WIDE. Thick socks still feel loose. The heel cup doesn't keep the heel in place very well, and they pinch at the top of your foot where the various folds / velcro all overlap. I was hoping for a waterproof shoe that I could wear thicker socks with. It is that, but seems to have lost a lot of what makes a Sidi shoe a Sidi shoe.

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Reviewed 3/8/2013
by BoulderCyclist
Cycling Enthusiast
Boulder, CO
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1 of 1 customers found this review helpful.
Awesome winter shoe

I've been struggling with frozen feet for years. I've tried all types of thermal shoe covers and on rides colder than 32 degrees was still suffering greatly. I bought these shoes and have had no trouble since. The shoes themselves are good down to about 32 degrees F, and with a simple wind cover added I've ridden for hours at 10 degrees F comfortably. This definitely solved my outdoor winter training problems.

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Reviewed 2/25/2013
by pmrbiker
Cycling Enthusiast
Palmdale,Ca
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1 of 2 customers found this review helpful.
The shoe is simply the best even in 30-40 degree weather.

Riding in snow and rain and cold and cool weather this shoe keeps my feet

warm. The soles are stiff and firm on the pedals when cranking down hard.

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Reviewed 4/22/2012
by WisRider
Cycling Enthusiast
Oregon, WI
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3 of 4 customers found this review helpful.
Be careful when deciding what size to order.

I replaced a pair of Lake winter riding boots because the cable fastening system broke. The Sidi boots are manufactured oversize to accommodate heavier socks so do not add to your normal size. Think twice about ordering these boots if your feet are relatively flat because unlike some riding shoes, these boots have a fair amount of arch support. Finally, these boots do not seem to fasten as securely to my feet as my summer riding shoes and the Lake winter boots I used in the past. I am pretty sure that I have the correct size for the length of my foot, but they still feel a bit sloppy. Maybe a second set of sockets will take up the extra volume. The shoes look nice, but they are relatively expensive so consider your other options carefully.

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Reviewed 12/15/2010
by Birdfish
Cycling Enthusiast
Berkeley CA
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13 of 14 customers found this review helpful.
The best investment I ever made in my feet

If you are tired of fussing with shoe covers, toe covers and having them slip, leaks cold spots and all the other ills of riding in the 4th season, this is the answer. I have worn these shoes since winter '08 in everything from light showers to downpours and through hub deep puddles and they have kept my feet warm and toasty. Expensive, perhaps, but like all SIDI shoes long lasting and tough. And let me tell you, when your feet are happy it goes a long way toward making the rest of you happy too.

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How to choose the best cycling shoes for your riding style.
A guide to the highest quality cycling shoes from Sidi.

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