Its a small section inside the shoe that can expand up to 5 millimeters to prevent numbness. Without any extension system, the toes end up on top of each other and tend to get numb.
Louis Garneau Tri X-Speed XZ Shoes 47 Black
Louis Garneau Men's Tri X-Lite III Road Bike Shoes
Dick's Sporting Goods Louis Garneau Women's Jade XZ Cycling Shoes
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Pair in photos is the exact pair you are purchasing.
Louis Garneau Jade II Womens Size 9 Cycling Shoes White Pink Bike Road Sneakers
Gear - Women Louis Garneau
These Expert-Recommended Peloton Bike Shoes Will Take Your Rides
Acclaimed as one of the best shoes of the year many times and winner of a Eurobike award - the Course Airlite XZ is the most comfortable shoe in the world and has proven it is able to get on the highest step of the podium as well as delivering the best climbing performances.
Louis Garneau Course Air Lite XZ Shoes, White / 42
Its a small section inside the shoe that can expand up to 5 millimeters to prevent numbness. Without any extension system, the toes end up on top of each other and tend to get numb.
Louis Garneau Tri X-Speed XZ Shoes 47 Black
Dick's Sporting Goods Louis Garneau Men's Deville Cycling Shoes