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99 grams-per-shoe. Yes, you read that right: 99 grams. The S-Works EXOS 99 road shoes are the world’s lightest production cycling shoesno IFs, ANDs, or BUTs about it. Of course, they still feature all of our Body Geometry features, are ultra-stiff, and have all the pedigree and performance that S-Works is synonymous with. It’s the hardest project we’ve ever completed, which is why were only going to produce 500 pairs of them. Ever.

Just like the EXOS, the carbon outsole was developed using an advanced form of Finite Element Analysis and pressure mapping to pull out material where it wasnt needed. This allowed us to keep crazy-high stiffness numbers, too. We also used two exclusive features, as well as weight restrictions on each size, in order to ensure that each shoe hits its correct weight. For the uppers, we completely removed the heel counter. And with a little help from the space-grade Dyneema mesh and some CubicTec reinforcement, the heel molds to the back of your foot, so nary a watt is wasted. Lastly, we developed a new Warp Sleeve vamp that let us get rid of the toe box, and this further cut down the weight and increased the comfort.

If you’re on the hunt for the highest performance, lightest damn cycling shoes ever developed, look no further than the S-Works EXOS 99.