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Sidi Genius 6.6 Carbon Vent Mega Road Shoe

Black/White VerniceBlack/White Vernice
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Black/White Vernice
Black/White Vernice
Black/White Vernice
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The Genius 6.6 gets a major update, following in the footsteps of Sidi's top-of-the-line Wire Road Shoe. This Mega version is designed for riders with wider feet.

At the heart of this redesign is Sidi's newest Vent Carbon Sole®, which features air channeling ports for heat dispassion and comfort across a wide range of race conditions. The vents have also been made closeable, allowing riders to block out the wind on chilly rides too. The T700 Carbon construction delivers a feathery low weight without giving up the stiffness demanded by competitive athletes.

Next, new Vented Dual Density insoles provide comfort underfoot and have corresponding perforations to the sole vents for unimpeded airflow. The redesigned Adjustable Heel Retention Device now features ventilated lower area as well, along with a wider design and more compliant material. The result helps eliminate power robbing heel lift without discomfort.

Smartly, Sidi has made no changes to their celebrated retention system. The Genius 6.6 Vent features a ratcheting Caliper Buckle for easy on-bike adjustment, and two High Security Velcro® lower straps for an optimized fit and superior comfort. The Soft Instep Closure System® and padded tongue help eliminate pressure points, and the system has been slightly lighter for a leg up on race day.

The Genius 6.6 Carbon Vent Carbon Mega Road Shoe is available in White/Black Vernice. Of course virtually all of the Wire's small parts are replaceable and readily available, ensuring your shoes stay on the road, season after season. Compatible with standard three bolt road pedals. This is the wide version. A standard width is available separately.

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 11/8/2013
by Anonymous
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Awesome shoe.

Great adjustability, very comfortable once adjustments are dialed in. Stiff sole noticeably improves energy transfer.

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Reviewed 11/1/2013
by Anonymous
SF Peninsula
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Sidis simply fit.

My third pair of Sidis. For my wide feet, no other bike-shoe manufacturer's stock last will fit me. The 6.6 uppers have an initial plasticky look and feel but they have softened up okay. Kinda blingy, but I look as if I'm riding 5% faster than I was with my tired Sidis.

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Reviewed 5/6/2013
by Anonymous
Cycling Enthusiast
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2 of 2 customers found this review helpful.
Great shoe, but I probably should have bought my first one in a LBS.

I really like this shoe and the price was good. After wearing it a bit, I find that the Mega may be a bit wider than most people claim. I have wide, flat feet, but the Mega is still a bit wide for me. I have not tried the non-Mega, so I really cannot compare. Perhaps I should have bought my first pair at a local bike shop so that I could get the size perfectly. Still, the shoes are very comfortable. And I like the replaceable heel and toe.

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How to choose the best cycling shoes for your riding style.
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