Have problems like Garmin-Barracuda.

We buy aero wheels, aero bikes, aero helmets as part of our never-ending battle against drag. Nevertheless, the human body is the biggest drag culprit of all, so you'll be amazed what a little thing like reducing the air friction at the foot will accomplish. The Castelli Aero Race Shoe Covers DM will give you all the advantages Garmin riders like Dave Zabriskie rely on every time they click into their P4 Cervelo.

Castelli has been developing these shoe covers for over four years, and everything that it has learned about cheating the wind has been poured into their construction. The Aero Race Shoe Covers have been cut to reduce the drag around the shoe and lower ankle. Their cuffs come up quite high (to the bottom of the calf) in order to increase the aero benefits. At the rear an aero mesh insert has been added to aid in the separation of smooth air. The covers will cling to your leg with the silicone leg gripper, but will not pinch uncomfortably.

The presence of a camlock zipper at the rear of the Shoe Cover means you'll never be struggling into or out of this bootie. The Castelli Aero Race Shoe Cover DM comes in a sleek Black or White, and in sizes from Small to XX-Large.

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Here's what others have to say...

5 5

Pure Speed

  • Familiarity: I've put it through the wringer

These things are pure speed. Proven at the highest level these things definitely life up to their description. When you slip these babies on you immediately feel fast. Just glancing down at them on the start line gives you a mental boost. After riding these for over a season now, I can say these are a great set of shoe covers, but remember these are aero-covers and should be wore as such, not a a foot warmer or rain cover. Another word to the wise, if you have somewhat bigger calves or legs I would suggest maybe a size up as they ride pretty far up your ankle/leg are are designed to be super tight.

Pure Speed

How do I determine the size, I wear (North...

How do I determine the size, I wear (North America) size 10.5 / 11 shoes?

Responded on

Howdy! I actually wear the exact same shoe size, so I am glad to say you would take a size large. I am actually more of a size 11+ but still went with the size large. These things are pure speed, and you don't want any extra material.

3 5


OK, but for the money I was disappointed. The zipper on one came down during the only TT I've used it in. And the heel has no cut out and will probably not last too long. Guess I'll use safety pins on the zipper....