Sidi's Ergo 5 Mega Carbon Road Shoe features a microfiber upper, a vented heel and tongue, and a stiff Carbon Composite sole.
The Ergo 5 Mega are built to accommodate wider feet with an extra 4mm across the ball of the foot, more volume, a high instep, and a wider heel cup.
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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.
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How to choose the best cycling shoes for your riding style.