The peloton just got through stage 6 of this year’s edition of the Tour de France which means the sprinter’s paradise of flat roads will soon give way to mountain stages in the Pyrenees and Alps and when the road ticks up rider’s look to shed every ounce possible from their gear. Just in time for the move from aerodynamic gear for the flats to climbing specific gear for the mountains, Giro unveiled a new, super-light cycling shoe.

A pair of its Prolight Techlaces weighs just 300 grams (size 42.5). The new shoe features Giro’s unique closure system, a blend of laces and velcro. The shoe has three velcro closures, affixed to lacing loops. This closure system is a departure from Giro’s previous pro shoes which combined a Boa lacing system with two velcro straps to cinch the shoe laces.

To reduce weight the new shoes feature an extremely lightweight upper. Mesh panels are bonded to Giro’s Teijin synthetic material. Below that sits Giro’s Textreme carbon fiber sole, that same carbon fiber is used in F1 cars.  Giro says this carbon reduces weight by 22 percent without sacrificing any stiffness. Giro also used titanium hardware throughout the shoe to further reduce weight.

Phinney in Giro Techlace Shoes on stage 2 of the Tour de France (via Velonews.com)

All of that weight savings adds up, Giro’s former marquee show the Factor Techlace weighs 420 grams, the new Prolight Techlace comes in a full 120 grams lighter.

Brand spanking new pro-level gear comes at a price. The Prolight Techlace will cost you $400, $50 more than the Factor Techlace.

Giro estimates that if Richie Porte had worn the Prolight Techlace up the Alpe d’Huez, he would have saved 15 seconds. If you don’t trust marketer math, Taylor Phinney was spotted wearing these new shoes on stage 2, the stage where he rode in the breakaway all day to win the race’s first king of the mountains polka-dot jersey.

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